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单选题
A pharmaceutical company tested a new painkiller on 1,000 lab rats that were fed large doses of the painkiller for a two-month period. By the end of the experiment, 39 of the rats had died. The company concluded that the painkiller was sufficiently safe to test on humans. Which of the following, if true, provides the most support for the pharmaceutical company’s conclusion?
A
The amount of painkiller fed to the rats was substantially greater, in relation to body mass, than the dosage any human would take under normal circumstances.
B
Because of the different body chemistry of humans and rats, some compounds can be dangerous for rats but safe for humans, and vice versa.
C
Tests of this same painkiller on dogs showed that 3 out of 50 dogs developed lesions on their livers during the course of the experiment.
D
The researchers found that during the experiment, the rats showed a significantly lower sensitivity to pain than rats do under normal circumstances.
E
In an experiment of this length with this number of rats, it is not unusual for up to 50 rats to die during the experiment for reasons unrelated to the experiment itself.
参考答案
参考解析
解析：
如果规定的死亡率高于该公司实验得到的结果，那么该公司的决定便可以得到支持，故本题应选E项。
如果规定的死亡率高于该公司实验得到的结果，那么该公司的决定便可以得到支持，故本题应选E项。
更多 “单选题A pharmaceutical company tested a new painkiller on 1,000 lab rats that were fed large doses of the painkiller for a two-month period. By the end of the experiment, 39 of the rats had died. The company concluded that the painkiller was sufficiently safe to test on humans. Which of the following, if true, provides the most support for the pharmaceutical company’s conclusion?A The amount of painkiller fed to the rats was substantially greater, in relation to body mass, than the dosage any human would take under normal circumstances.B Because of the different body chemistry of humans and rats, some compounds can be dangerous for rats but safe for humans, and vice versa.C Tests of this same painkiller on dogs showed that 3 out of 50 dogs developed lesions on their livers during the course of the experiment.D The researchers found that during the experiment, the rats showed a significantly lower sensitivity to pain than rats do under normal circumstances.E In an experiment of this length with this number of rats, it is not unusual for up to 50 rats to die during the experiment for reasons unrelated to the experiment itself.” 相关考题
考题
We're all ______ to hear that she had got a new job in a company.
A. filledB. threatenedC. stilledD. thrilled
考题
This company ( ) that it had made a profit of $107 billion by the end of this year, however, most of the share holders did not believe it.
A.statesB.claimsC.assertsD.announces
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A company predicted that the learning rate for production of a new product would be 80%. The actual learning rate was 75%. The following possible reasons were stated for this:(i) The number of new employees recruited was lower than expected(ii) Unexpected problems were encountered with production(iii) Unexpected changes to Health and Safety laws meant that the company had to increase the number of breaks during production for employeesWhich of the above reasons could have caused the difference between the expected rate of learning and the actual rate of learning?A.All of the aboveB.(ii) and (iii) onlyC.(i) onlyD.None of the above
考题
You are the audit supervisor of Maple Co and are currently planning the audit of an existing client, Sycamore Science Co (Sycamore), whose year end was 30 April 2015. Sycamore is a pharmaceutical company, which manufactures and supplies a wide range of medical supplies. The draft financial statements show revenue of $35·6 million and profit before tax of $5·9 million.Sycamore’s previous finance director left the company in December 2014 after it was discovered that he had been claiming fraudulent expenses from the company for a significant period of time. A new finance director was appointed in January 2015 who was previously a financial controller of a bank, and she has expressed surprise that Maple Co had not uncovered the fraud during last year’s audit.During the year Sycamore has spent $1·8 million on developing several new products. These projects are at different stages of development and the draft financial statements show the full amount of $1·8 million within intangible assets. In order to fund this development, $2·0 million was borrowed from the bank and is due for repayment over a ten-year period. The bank has attached minimum profit targets as part of the loan covenants.The new finance director has informed the audit partner that since the year end there has been an increased number of sales returns and that in the month of May over $0·5 million of goods sold in April were returned.Maple Co attended the year-end inventory count at Sycamore’s warehouse. The auditor present raised concerns that during the count there were movements of goods in and out the warehouse and this process did not seem well controlled.During the year, a review of plant and equipment in the factory was undertaken and surplus plant was sold, resulting in a profit on disposal of $210,000.Required:(a) State Maples Co’s responsibilities in relation to the prevention and detection of fraud and error. (4 marks)(b) Describe SIX audit risks, and explain the auditor’s response to each risk, in planning the audit of Sycamore Science Co. (12 marks)(c) Sycamore’s new finance director has read about review engagements and is interested in the possibility of Maple Co undertaking these in the future. However, she is unsure how these engagements differ from an external audit and how much assurance would be gained from this type of engagement.Required:(i) Explain the purpose of review engagements and how these differ from external audits; and (2 marks)(ii) Describe the level of assurance provided by external audits and review engagements. (2 marks)
考题
The author easily built a team of his company because __________.A.they were underpaid at their previous jobs
B.they were turned down by other companies
C.they were confident of the author and his business
D.they were satisfied with the salaries in his company
考题
共用题干
第二篇Exercise and BrainJust as exercise strengthens the heart and lungs,bones and muscles,it may also power up the brain.A succession of scientific studies of animals implies that physical activity has a positive effect on mental functioning."It's clear that the brain benefits from exercise,"says brain scientist William Greenough of the University of Illinois at Urbana-Champaign.His studies with rats have demonstrated two primary effects of activity:Vigorous physical exercise provides the brain with more fuel,and skill-based ex-ercise increases the formation of connections in the brain, which, according to the proposals of some scientists,may make the brain better able to process information.In one experiment,laboratory rats were separated into three groups.One group was exercised by running inside an automatic wheel,a second group improved their skills in a complicated obstacle course,and a third group was inactive."The animals that learned to go through the obstacle course exhibited a greater number of brain connections than the animals in the exercised or inactive groups,"Greenough said."In contrast, the animals that exercised inside the automatic wheel possessed a greater density of blood vessels in the brain than did either of the other two groups of animals."Learning a new dance step may boost the brain in the same way that learning a language can, he says.And if the dance is a good physical exercise as well,the benefits multiply.Young brains may be especially able to boost brain power through exercise,suggested another of Greenough's experiments that showed the most significant changes in the brain occurred among rats that had been exercised when very young.And while animals aren't people,he says it is logical to make the inference that an effect found in rats may also apply to humans.Human studies have focused primarily on older adults and suggest that regular exercise can improve the speed with which the brain processes information.Measurements made by Arthur Kramer at the University of Illinois demonstrated that inactive adults,aged 63 to 82,could hit buttons faster in response to a tone after they went through a 10-week water exercise course.A corresponding control group that didn't exercise showed no improvement.Which statement is correct according to the passage?A:The effect of exercises found in rats can not apply to people.B:Changes in the brain occurred among young rats are more significant than those among adult rats.C:Regular exercise can only improve the speed with which the older adults' brain processes information.D:The author encourages people do more skill-based exercise instead of vigorous physical exercise.
考题
共用题干
第三篇Sugar Accelerate the Process of AgingSugar is widely used in our daily life to make food and drinks sweet,though too much intake of it may lead to diabetes.However,today's study found it also makes people get old faster. Rats that eat high levels of a natural sugar known as fructose seem to age faster than other rats.And the same could be true for people who eat too much sweet junk food,said Israeli researchers.Fructose,a substance found naturally in honey and fruit,is used widely in foods ranging from soft drinks to yogurt. But while its sweet taste is popular,the sugar could cause wrinkles and health problems,the researchers said.Dr. Moshe Werman and Boaz Levi of the Technion-Israel Institute of Technology fed large amounts of fructose to laboratory rats.Writing in the Journal of Nutrition,they said the fructose-fed rats showed changes in the collagen of their skin and bones.Collagen,a fibrous protein found in connective tissue,bone and cartilage,basically holds the body together. The loss of collagen is what causes sagging and deep wrinkles in older people.The process affected,Werman's team said,is known as"cross linking"."Too much crosslinking reduces elasticity and makes the skin stiff and rigid,and these are the conditions that encourage wrinkled skin,"Werman said in a statement. He said the same could be true of people, although this has not been shown."Americans are eating more and more processed foods such as carbonated drinks,baked goods,canned fruits,jams and dairy products that contain fructose," Werman said.Other studies have shown that high fructose intake can affect how the body handles glucose and increases insulin resistance一which can both be important measures of the tendency toward diabetes.The rats Werman worked with were fed much more than the average adult person might eat in a day,which is standard in such experiments.The rats were 12.5 grams of fructose per kg(2.2 pounds)of weight every day for a year. To compare,a person weighing 154 pounds(70kg)who drinks a quart(liter)of cola consumes about 60 grams of fructose,or 0.8 grams per kg of body weight.According to the passage,people who eat too much sweet junk food will_______.A:slow down their process of agingB:more likely to get diabetesC:get heavier than othersD:age faster than average people
考题
Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid.To find out if this extends to non-living beings,Loleh Quinn at the University of California,San Diego,and her colleagues tested whether rats can detect social signals form robotic rats.They housed eight adult rats with two types of robotic rat-one social and one asocial一for 5 our days.The robots rats were quite minimalist,resembling a chunkier version of a computer mouse with wheels-to move around and colorful markings.During the experiment,the social robot rat followed the living rats around,played with the same toys,and opened caged doors to let trapped rats escape.Meanwhile,the asocial robot simply moved forwards and backwards and side to side Next,the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.Across 18 trials each,the living rats were 52 percent more likely on average to set the social robot free than the asocial one.This suggests that the rats perceived the social robot as a genuine social being.They may have bonded more with the social robot because it displayed behaviours like communal exploring and playing.This could lead to the rats better remembering having freed it earlier,and wanting the robot to return the favour when they get trapped,says Quinn.The readiness of the rats to befriend the social robot was surprising given its minimal design.The robot was the same size as a regular rat but resembled a simple plastic box on wheels.“We'd assumed we'd have to give it a moving head and tail,facial features,and put a scene on it to make it smell like a real rat,but that wasn’t necessary,”says Janet Wiles at the University of Queensland in Australia,who helped with the research.The finding shows how sensitive rats are to social cues,even when they come from basic robots.Similarly,children tend to treat robots as if they are fellow beings,even when they display only simple social signals.“We humans seem to be fascinated by robots,and it turns out other animals are too,”says Wiles.
What did the social robot do during the experiment?A.It followed the social robot.
B.It played with some toys.
C.It set the trapped rats free.
D.It moved around alone.
考题
Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid.To find out if this extends to non-living beings,Loleh Quinn at the University of California,San Diego,and her colleagues tested whether rats can detect social signals form robotic rats.They housed eight adult rats with two types of robotic rat-one social and one asocial一for 5 our days.The robots rats were quite minimalist,resembling a chunkier version of a computer mouse with wheels-to move around and colorful markings.During the experiment,the social robot rat followed the living rats around,played with the same toys,and opened caged doors to let trapped rats escape.Meanwhile,the asocial robot simply moved forwards and backwards and side to side Next,the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.Across 18 trials each,the living rats were 52 percent more likely on average to set the social robot free than the asocial one.This suggests that the rats perceived the social robot as a genuine social being.They may have bonded more with the social robot because it displayed behaviours like communal exploring and playing.This could lead to the rats better remembering having freed it earlier,and wanting the robot to return the favour when they get trapped,says Quinn.The readiness of the rats to befriend the social robot was surprising given its minimal design.The robot was the same size as a regular rat but resembled a simple plastic box on wheels.“We'd assumed we'd have to give it a moving head and tail,facial features,and put a scene on it to make it smell like a real rat,but that wasn’t necessary,”says Janet Wiles at the University of Queensland in Australia,who helped with the research.The finding shows how sensitive rats are to social cues,even when they come from basic robots.Similarly,children tend to treat robots as if they are fellow beings,even when they display only simple social signals.“We humans seem to be fascinated by robots,and it turns out other animals are too,”says Wiles.James Wiles notes that rats________A.can remember other rat's facial features
B.differentiate smells better than sizes
C.respond more to cations than to looks
D.can be scared by a plastic box on wheels
考题
Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid.To find out if this extends to non-living beings,Loleh Quinn at the University of California,San Diego,and her colleagues tested whether rats can detect social signals form robotic rats.They housed eight adult rats with two types of robotic rat-one social and one asocial一for 5 our days.The robots rats were quite minimalist,resembling a chunkier version of a computer mouse with wheels-to move around and colorful markings.During the experiment,the social robot rat followed the living rats around,played with the same toys,and opened caged doors to let trapped rats escape.Meanwhile,the asocial robot simply moved forwards and backwards and side to side Next,the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.Across 18 trials each,the living rats were 52 percent more likely on average to set the social robot free than the asocial one.This suggests that the rats perceived the social robot as a genuine social being.They may have bonded more with the social robot because it displayed behaviours like communal exploring and playing.This could lead to the rats better remembering having freed it earlier,and wanting the robot to return the favour when they get trapped,says Quinn.The readiness of the rats to befriend the social robot was surprising given its minimal design.The robot was the same size as a regular rat but resembled a simple plastic box on wheels.“We'd assumed we'd have to give it a moving head and tail,facial features,and put a scene on it to make it smell like a real rat,but that wasn’t necessary,”says Janet Wiles at the University of Queensland in Australia,who helped with the research.The finding shows how sensitive rats are to social cues,even when they come from basic robots.Similarly,children tend to treat robots as if they are fellow beings,even when they display only simple social signals.“We humans seem to be fascinated by robots,and it turns out other animals are too,”says Wiles.
It can be learned from the text that rats________A.appear to be adaptable to new surroundings
B.are more socially active than other animals
C.behave differently from children in socializing
D.are more sensitive to social cues than expected
考题
Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid.To find out if this extends to non-living beings,Loleh Quinn at the University of California,San Diego,and her colleagues tested whether rats can detect social signals form robotic rats.They housed eight adult rats with two types of robotic rat-one social and one asocial一for 5 our days.The robots rats were quite minimalist,resembling a chunkier version of a computer mouse with wheels-to move around and colorful markings.During the experiment,the social robot rat followed the living rats around,played with the same toys,and opened caged doors to let trapped rats escape.Meanwhile,the asocial robot simply moved forwards and backwards and side to side Next,the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.Across 18 trials each,the living rats were 52 percent more likely on average to set the social robot free than the asocial one.This suggests that the rats perceived the social robot as a genuine social being.They may have bonded more with the social robot because it displayed behaviours like communal exploring and playing.This could lead to the rats better remembering having freed it earlier,and wanting the robot to return the favour when they get trapped,says Quinn.The readiness of the rats to befriend the social robot was surprising given its minimal design.The robot was the same size as a regular rat but resembled a simple plastic box on wheels.“We'd assumed we'd have to give it a moving head and tail,facial features,and put a scene on it to make it smell like a real rat,but that wasn’t necessary,”says Janet Wiles at the University of Queensland in Australia,who helped with the research.The finding shows how sensitive rats are to social cues,even when they come from basic robots.Similarly,children tend to treat robots as if they are fellow beings,even when they display only simple social signals.“We humans seem to be fascinated by robots,and it turns out other animals are too,”says Wiles.Quin and her colleagues conducted a test to see if rats can________A.pickup social signals from non-living rats
B.distinguish a friendly rat from a hostile one
C.attain sociable traits through special training
D.send out warning messages to their fellow
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共用题干
New Product Will Save livesDrinking water that looks clean may still contain bugs（虫子）,which can cause illness. A small company called Genera Technologies has produced a testing method in three stages,which shows whether water is safe.The new test shows if water needs chemicals added to it,to destroy anything harmful.It was invented by scientist Dr. Adrian Parton, who started Genera five years ago.He and his employees have developed the test together with a British water company.Andy Headland,Genera's marketing director,recently presented the test at a conference in the USA and forecast good American sales for it.Genera has already sold 11 of its tests at$42,500 a time in the UK and has a further four on order. It expects to sell another 25 tests before the end of March.The company says it is the only test in the UK to be approved by the government.Genera was formed five years ago and until October last year had only five employees; it now employs 14.Mr Headland believes that the company should make around$19 million by the end of the year in the UK alone.Before he set up Genera,Dr. Parton had worked for a British water company.A:Right B:Wrong C:Not mentioned
考题
The company had about 20 notebook computers,but only one-third__________used regularly.A.is
B.are
C.was
D.were
考题
That trading company in Tokyo did consider（）the transaction with you.A、concludingB、toconcludeC、concludeD、conclusion
考题
You are the administrator of Company’s network. Your Windows 2000 Professional computer has a removable disk device installed. The device can use storage modules of varying sizes. You use these storage modules to transfer graphics files between your location and a printing company. The printing company uses Windows 98. You insert a new 1 GB disk device into your computer and format the new disk device as NTFS with the default options. You then place large graphics files on the disk device and deliver it to the printing company. The printing company reports that they are unable to access the files. You want the printing company to be able to access the graphics files on the new disk device. What should you do? （）A、Format the new disk device as FAT16 with a 128 KB cluster size.B、Format the new disk device as FAT32 with a 4 KB cluster size.C、Format the new disk device as NTFS with a 4 KB cluster size.D、Format the new disk device as NTFS with a 8 KB cluster size.
考题
问答题Passage 2 ● Read the information below about a company meeting. ● Choose the best word to fill each gap. Mark one letter (A, B, or C) on your book. ● Do not use any letter more than once. The annual staff meeting of Harcourt Electronics took place (29)______ 28th June, 1995. All members attended the meeting (30)______those who were not in the city. John Stevens, the Managing Director, reported (31)______ the company’s performance for l994／1995 (32)______ compared it with previous years. He explained that Harcourt Electronics had increased (33)______market share by 3％.However, he said staff (34)______not relax because the company (35)______not fully recovered from the economic difficulties of recent years. Next year there will (36)______ eight more sales staff in South East Asia (37)______will be responsible for finding new clients. If any current staff are interested (38)______joining this team, they can apply (39)______giving their names to the Personnel Manager. Plans to move the company’s New York branch to new premises were (40)______discussed. 29. A on B at C in 30. A without B except C minus 31. A at B by C on 32. A and B before C so 33. A his B its C your 34. A had B must C were 35. A did B would C had 36. A be B have C do 37. A which B who C where 38. A about B with C in 39. A for B to C by 40. A also B too C more
考题
单选题You are the administrator of Company’s network. Your Windows 2000 Professional computer has a removable disk device installed. The device can use storage modules of varying sizes. You use these storage modules to transfer graphics files between your location and a printing company. The printing company uses Windows 98. You insert a new 1 GB disk device into your computer and format the new disk device as NTFS with the default options. You then place large graphics files on the disk device and deliver it to the printing company. The printing company reports that they are unable to access the files. You want the printing company to be able to access the graphics files on the new disk device. What should you do? （）A
Format the new disk device as FAT16 with a 128 KB cluster size.B
Format the new disk device as FAT32 with a 4 KB cluster size.C
Format the new disk device as NTFS with a 4 KB cluster size.D
Format the new disk device as NTFS with a 8 KB cluster size.
考题
问答题Practice 1 Twenty years ago, Motorola looked upon the Japanese with something close to fear. The Chicago company’s television-manufacturing division had been large and profitable in the 1960s. By the early 1970s, however, high costs and a rising tide of inexpensive Japanese TVs were taking a heavy toll. “The Japanese were very aggressive”, recalls Motorola spokesman Mario Salvadori. “They wanted to get market share.” With cutthroat pricing, they did—eventually running nearly every U.S. electronic company out of the TV business. Motorola sold its Quasar TV unit to a Japanese company in 1974. But while other U.S. companies were floored for foreign competition, Motorola refocused its energies, It turned to wireless communications—an industry it had pioneered (with mobile radios and walkie-talkie) in the 1920s. It was a prescient move.
考题
单选题According to the advertisement, what special offer is the company making?A
A discount on all outdoor equipmentB
A two-year warranty on everything in stockC
A free giveaway with any large purchaseD
A new line of winter camping gear
考题
单选题One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.A
installing rat guards on the mooring lines when in portB
keeping foods protected and avoiding the accumulation of garbageC
eliminating possible living spaces for rats when the ship is constructedD
trapping and/or poisoning the rats
考题
问答题Practice 9 ● You are the Purchasing Manager for a large company. Last month you decided to look for a new supplier for the stationery and office equipment that your company uses. You have found a new supplier, Compass Office Goods Ltd. ● Write a memo to your company’s department heads: ● explaining why you looked for a new supplier. ● saying who the new supplier is. ● asking for feedback about the goods that they supply. ● Write 40—50 words.
考题
单选题The small company is _____ to handle this large order.A
ableB
probableC
reasonableD
possible
考题
单选题An electrical appliance company has submitted a new model of washing machine for stress and durability testing. After the conventional round of tests, 26 of the 90 machines tested no longer functioned. Observing these results, the company determined that the washing machine model was acceptable for the consumer market. Which of the following, if true, most strongly supports the company’s decision regarding the washing machine?A
When the number one rated washing machine was submitted for stress and durability testing, 96 out of 100 machines were still functioning at the end of the test.B
Because of the extreme stress of the testing process, any model that has more than two-thirds of its machines functioning at the end of the test process is considered sufficiently durable for the consumer market.C
Most consumers will tolerate a washing machine that functions only 64 times out of 90 attempts.D
Although the model tested is less durable than other models on the market, its projected price is considerably lower than that of the most durable models.E
The electrical failure that brought down most of the 26 washing machines that ceased functioning could probably be avoided if the machine were redesigned.
考题
单选题A manufacturing company has a large facility which has its offices at one end and a manufacturing floor at the other. The company is looking to implement new equipment that requires access to the company’s SAN that is over 2.4 kilometers away in the office area. Which of the following solutions will satisfy this requirement？（）A
Install a longwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floorB
Install a longwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floorC
Install a shortwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floorD
Install a shortwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor
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