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To give praise costs the giver ___________ but a moment's thought and a moment's effort.
A. not
B. anything
C. nothing
D. something
参考答案
更多 “ To give praise costs the giver ___________ but a moment's thought and a moment's effort. A. notB. anythingC. nothingD. something ” 相关考题
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C.The term “multitasking” originally referred to a computer’s ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic exercises (人脑训练) involve engaging the brain in two or more challenging activities at a time. Although checking e-mail while talking on a phone and reading the newspaper may be second nature for some people, many times multitasking can make us less productive, rather than more. And studies show that too much multitasking can lead to increased stress, anxiety and memory loss.In order to multitask, the brain uses an area known as the prefrontal cortex (前额叶脑皮层). Brian scans of volunteers performing multiple tasks together show that as they shift from task to task, this front part of the brain actually takes a moment of rest between tasks. You may have experienced a prefrontal cortex “moment of rest” yourself if you’ve ever dialed (拨电话) and the answering, your mind shifted to anther thought or task, and then look that “moment” to come back. Research has also shown that for many volunteers. Job efficiency (效率) declines while multitasking as compared to when they perform. only one task at a time.Multitasking is easiest when at least one of the tasks in habitual, or requires little thought. Most people don’t find it difficult to eat and read the newspaper at the same time. However, when two or more attention –requiring tasks are attempted at one time, people sometimes make mistakes.We often don’t remember things as well when we’re trying to manage several details at the same time. Without mental focus, we may not pay enough attention to new information coming in, so it never makes it into our memory stores. That is one of the main reasons we forget people’s names---even sometimes right after they have introduced themselves. Multitasking can also affect our relationships. If someone checks their e-mail while on the phone with a friend, they may** off as absent-minded or disinterested. It can also cause that person to miss * overlook key information being passed on to them.49. Why are some mental aerobic exercises designed to engage people in multitasking?A. To make them more productive.B. To reduce their stress and anxiety.C. To develop their communication skills.D. To help them perform. daily tasks more easily.
考题
Which of the following is NOT an element in a business card?A: Giver’s nameB: Company affiliationC: Contact informationD: Photo
考题
―It is a ____________ moment.‖ he told journalists.
A.historianB.historicalC.historyD.historic
考题
The term “multitasking” originally referred to a computer’s ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic exercises (大脑训练) involve engaging the brain in two or more challenging activities at a time. Although checking e-mail while talking on a phone and reading the newspaper may be second nature for some people, many times multitasking can make us less productive, rather than more. And studies show that too much multitasking can lead to increased stress, anxiety and memory loss.In order to multitask, the brain uses an area known as the prefrontal cortex (前额叶脑皮层). Brian scans of volunteers performing multiple tasks together show that as they shift from task to task, this front part of the brain actually takes a moment of rest between tasks. You may have experienced a prefrontal cortex “moment of rest” yourself if you’ve ever dialed (拨电话) a phone number and suddenly forgotten who you dialed when the line is answered. What probably occurred is that between the dialing and the answering, your mind shifted to anther thought or task, and then took that “moment” to come back. Research has also shown that for many volunteers, job efficiency (效率) declines while multitasking, as compared to when they perform. only one task at a time.Multitasking is easiest when at least one of the tasks is habitual, or requires little thought. Most people don’t find it difficult to eat and read the newspaper at the same time. However, when two or more attention-requiring tasks are attempted at one time, people sometimes make mistakes.We often don’t remember things as well when we’re trying to manage several details at the same time. Without mental focus, we may not pay enough attention to new information coming in, so it never makes it into our memory stores. That is one of the main reasons we forget people’s names---even sometimes right after they have introduced themselves. Multitasking can also affect our relationships. If someone checks their e-mail while on the phone with a friend, they may come off as absent-minded or disinterested. It can also cause that person to miss or overlook key information being passed on to them.49. Why are some mental aerobic exercises designed to engage people in multitasking?A. To make them more productive.B. To reduce their stress and anxiety.C. To develop their communication skills.D. To help them perform. daily tasks more easily.
考题
Passage 2
Teacher education provided by U．S． colleges and universities has been routinely criticized sinceits inception in the early nineteenth century, sometimes deservedly． These programs, likenon-university programs, are uneven in quality and can be improved． What makes today′ s criticismsdifferent is an aggressive effort by advocacy groups, and self-proclaimed educational entrepreneursto deregulate the preparation of teachers, and to expand independent, alternative routes intoteaching．
This effort to "disrupt" the field of teacher preparation in the United States has gainedconsiderable momentum and legitimacy, with venture capitalists, philanthropy, and the U．S．
Department of Education all providing sponsorship and substantial funding．
The strength of this effort is that the United States may quickly seek to dismantle its universitysystem and replace much of it with independent, private programs． The resulting system of teacherpreparation may differ dramatically in its government, structure, content, and processes movingaway from its current location alongside legal, medical, and other professional preparation that pairsacademic degrees with professional training．
Throughout the nation, states are reporting teacher shortages in particular subject areas andgeographical locations, and several states have either passed legislation to lower the standards forbecoming a teacher or, like the state of Washington, have looked toward expanding the number ofteacher education providers to try to fill teaching vacancies． The federal government has contributedto the push to lower standards for becoming a teacher with the Teacher Preparation Academy
provision in the new K-12 education law, the Every Student Succeeds Act, which encourages statesto expand the number of independent programs not associated with colleges and universities．
Because of the increasing tuition rates, a consequence in part, of cuts in funding to publicuniversities that continue to educate most U．S． teachers, enrollments in college and universityteacher education programs have declined in many parts of the country． Independent teachereducation programs are being viewed by some as an important part of the solution in staffing thenation′s classrooms and addressing our serious and enduring problems in education inequities．
Additionally, advocacy groups, philanthropists, and so-called education entrepreneurs are workingaggressively to expand these independent alternative routes into teaching．
Given the seriousness of the teacher shortage problem in the United States and the substantialmedia attention that has been given to independent teacher education programs as the solution toteacher shortages and education inequities, policy makers should very carefully examine theevidence that exists about the nature and impact of these relatively new programs that are rapidlyexpanding while university teacher education enrollments decline．
Which of the following is closest in meaning to the underlined word"momentum" inParagraph 2
A.Moment．
B.Motive．
C.Achievement．
D.Incentive．
考题
People are,on the whole,poor at considering background information when making individual decisions.At first glance this might seem like a strength that 1 the ability to make judgments which are unbiased by 2 factors.But Dr.Uri Simonsohn speculated that an inability to consider the big 3 was leading decision-makers to be biased by the daily samples of information they were working with.4,he theorised that a judge 5 of appearing too soft 6 crime might be more likely to send someone to prison 7 he had already sentenced five or six other defendants only to probation on that day.To 8 this idea,he turned to the university-admissions process.In theory,the 9 of an applicant should not depend on the few others 10 randomly for interview during the same day,but Dr Simonsohn suspected the truth was 11.He studied the results of 9,323 MBA interviews,12 by 31 admissions officers.The interviewers had 13 applicants on a scale of one to five.This scale 14 numerous factors into consideration.The scores were 15 used in conjunction with an applicant's score on the Graduate Management Admission Test,or GMAT,a standardised exam which is 16 out of 800 points,to make a decision on whether to accept him or her.Dr Simonsohn found if the score of the previous candidate in a daily series of interviewees was 0.75 points or more higher than that of the one 17 that,then the score for the next applicant would 18 by an average of 0.075 points.This might sound small,but to 19 the effects of such a decrease a candidate would need 30 more GMAT points than would otherwise have been 20.A.issue
B.vision
C.picture
D.moment
考题
共用题干
The Case of the Disappearing FingerprintsOne useful anti-cancer drug can effectively erase the whorls and other characteristic marks that give peopletheir distinctive fingerprints（指纹）.Losing them could become troublesome. A case________( 51) onlinein a letter by Annals of Oncology（肿瘤学）indicates how big a ________ (52) of losing fingerprints is.Eng-Huat Tan,a Singapore-based medical doctor describes a 62-year-old man who has used capecit- abine to_________ (53 ) his nasopharyngeal cancer（鼻咽癌）.After three years on the__________ (54), the patient decided to visit U.S. relatives last December. But he was stopped by U. S. customs officials __________(55)4 hours after entering the country when those officials couldn't get fingerprints from the man.There were no__________(56)swirly marks appearing from his index finger."U.S.customs has been fingerprinting incoming foreign visitors for years,"Tan says."Unfortunately,for the Singaporean traveler,one potential__________(57)effect of his drug treatment is a smoothing of thetissue on the finger pads,____________（58),no fingerprints.""It is uncertain when fingerprint_________(59)will begin to take place in patients who are taking capecitabine,"Tan points out.So he___________(60)any physicians who prescribe the drug to provide their patients with a doctor's____________(61)pointing out that their medicine may cause fingerprints todisappear.Eventually,the Singapore traveler made it into the United States.I guess the name on his passport didn't raise any red flags. But he's also now got the doctor's explanatory note一and won't leave home__________(62)it.By the way , maybe the Food and Drug Administration（美国食品药物管理局），__________( 63) approved use of the drug 1 1 years ago,should consider updating its list of side effects___________(64)with this medicine. The current list does note that patients may experience vomiting（呕吐）,stomach pain and some other side effects.But no where__________(65)it mention the potential danger for loss of finger- prints._________(60)A:reportsB:discourage C:cautionsD:praise
考题
对总体X的均值和方差进行矩估计，matlab给出的语句为（）。A．sigma2_ju=moment(X)B．mu_ju=mean(X,2)C．mu_ju=mean(X)D．sigma2_ju=moment(X,2)
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