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Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.（）
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更多 “Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.（）” 相关考题
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What are recommended for the candidates to do before the interview?A.Bring many enough copies of the résumé with you.B.Ask about who will participate in the interview.C.Get to know the route to the place and how long it will take.D.Find out if they can park near the place or not.
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How much money _______ make is not the most important; what matters most is whether we are happy or not.
A.youB.peopleC.oneD.we
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Jewel Co is setting up an online business importing and selling jewellery headphones. The cost of each set of headphones varies depending on the number purchased, although they can only be purchased in batches of 1,000 units. It also has to pay import taxes which vary according to the quantity purchased.Jewel Co has already carried out some market research and identified that sales quantities are expected to vary depending on the price charged. Consequently, the following data has been established for the first month:Required:(a) Calculate how many batches Jewel Co should import and sell. (6 marks)(b) Explain why Jewel Co could not use the algebraic method to establish the optimum price for its product.(4 marks)
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The area where the air carrier holds the accepted cargo is also restricted area.此题为判断题(对，错)。
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How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? ()
A. NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.B. NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.C. NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.D. NetFlow can be configured to identify voice and video traffic flows and place them into a lowlatency queue for expedited processing.
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Humble ____ it may be, there’s no place like home, where he may go.[A]although[B]as[C]how[D]which
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Consonants are classified in terms of__________.
A．the place where the airstream obstruction occurs
B．the part of tongue that is the highest
C．openness of the mouth
D．the length of the sound
考题
In terms of place of articulation, the two consonants [f], [v] are __________.
A．dental
B．alveolar
C．palatal
D．labiodental
考题
根据以下材料，回答题
The Chinese have used a method called acupuncture(针灸) toperform operations for about 4,000 years without putting the patient to sleep.This involves placing flexible needles (针) into certainparts of the body. The needles used are available in a number of stores inChina and everyone may buy them.
To learn how to use needle takes about onemonth of training. But to be skillful requires greater time. The person whoperforms the acupuncture knows how to put in the needles so the needles themselvesare not painful. This person also knows where to place the needles so thepatient feels no pain in the area where the operation is to be performed. Theneedles are not necessarily inserted near the place where the pain is to beprevented. In the past, a particular operation might require 25 or more needlesplaced in various parts of the body. But now this operation requires only 3 or4 needles.
Today the Chinese doctors are trying tolearn more about acupuncture. They are trying to develop a convincing theory toexplain how the needles work in preventing pain, or why a needle in the wrist,for example, would prevent the pain in the area of the mouth.
A patient who needs an operation is given achoice between having acupuncture or having one of the chemicals used forputting him to sleep. It has been estimated that over half of the patients chooseacupuncture because there is no sickness after the operation whereas (然而，反之) the chemical maymake the patient sick for a few hours or a day.
Which statement is not true of theperformer of acupuncture 查看材料A.He knows where to place the needleswithout pain.
B.He knows where the operation is to beperformed.
C.He knows how to perform the operation tocure the patient.
D.He knows how to use the needles in anoperation.
考题
Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.（）A对B错
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Vowels are formed mainly by the position of the tongue and, secondarily, by the shape of the lips and movement of the jaw.（）
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A stream of voice packets transmitted over a WAN network encounters differing queuing delays. One router in the path used by the voice packets delays some of the packets for 4 ms while transmitting a large video file， but delays other packets only 2 ms. Another router delays some packets 5 ms， but transmits others in 2 ms. How would you best describe this type of problem？（）A、end-to-end delayB、interference from bulk data trafficC、processing delaysD、serialization delaysE、jitter
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Which two statements are true about the protocols that are used for transmitting voice traffic？（）A、RTP multiplexing is used to keep multiple phone conversations separateB、RTP provides end-to-end delivery services for voice traffic.C、UDP is used to ensure a reliable transmission from sender to receiver.D、RTP is used to provide resource reservation for the voice stream.E、UDP provides multiplexing of multiple phone conversations.
考题
单选题A stream of voice packets transmitted over a WAN network encounters differing queuing delays. One router in the path used by the voice packets delays some of the packets for 4 ms while transmitting a large video file， but delays other packets only 2 ms. Another router delays some packets 5 ms， but transmits others in 2 ms. How would you best describe this type of problem？（）A
end-to-end delayB
interference from bulk data trafficC
processing delaysD
serialization delaysE
jitter
考题
单选题请阅读 Passage 1，完成第 21~25小题。Passage 1These days，many large city buildings are equipped with their own air-conditioning systems.These systems help keep the buildings cool，but they can also damage the environment.Since they use a lot of electricity，for instance，they contribute indirectly to global warming.In addition，the water that flows through the systems is often cooled using chemicals called chlorofluorocarbons，or CFCs，that are believed to damage the Earth's ozone layer.Recently，though，a system has been built in the city of Toronto，Canada，that cools buildings with little damage to the environment. In the traditional air-conditioning systems found in most large buildings，water is pumped through the building in a continuous cycle.The water is first cooled to a temperature of 4℃ in machines called chillers.It is then sent to individual units that cool the air in each room.As the water flows through the building，it gradually becomes warmer.Finally，it reaches the roof ，where it is left to cool down naturally in a water tower.After that it is returned to the chillers，where the cycle begins again.Toronto lies on the shore of Lake Ontario，one of North America's Great Lakes，and the new system makes use of cold water taken from about 80 meters below the surface of the lake.At this depth，the water in the lake remains at 4℃ all year round.This is exactly the temperature to which the water in air-conditioning systems is cooled.However，the water from the lake is not pumped directly into the air-conditioning systems.Instead，it is used to cool the water that is already inside the air-conditioning systems.After that，the lake water is added to the city's ordinary water supply.Enwave，the company that developed this deep-lake cooling system，says that it uses 75 percent less energy than traditional air conditioning.And since no CFCs are used，no damage can be caused to the ozone layer.Not every city is located next to a large lake，but experts believe that systems like the one being used in Toronto could be built elsewhere by using other natural sources of cold water.What happens in the end to the water from Lake Ontario?A
It is used by the residents of Toronto.B
It is returned to a place deep in the lake.C
It is cooled down before being used again.D
It is added to the water inside air-conditioning systems.
考题
单选题Consonants are classified in terms of ______ .A
the place where the airstream obstruction occursB
the part of tongue that is the highestC
openness of the mouthD
the length of the sound
考题
单选题When ____ is produced, complete closure of the articulators is involved so that the air stream cannot escape through the mouth.A
fricativeB
stopC
affricateD
lateral
考题
单选题_____ refers to the obstruction of the air stream caused by the tongue tip or blade and the alveolar ridge, such as in the production of [t].A
StopB
DentalC
AlveolarD
Glide
考题
单选题When________is produced, complete closure of the articulators is involved so that the air stream cannot escape through the mouth.A
fricativeB
stopC
affricateD
lateral
考题
单选题The passage mainly tells us that sportsmanship gets you through no matter whether _____.A
you win or loseB
you play or learnC
you are happy or notD
you feel hard or not
考题
单选题Which of the following methods is normally used to control the temperature of air distributed from individual cooling coils in an air conditioning system using a chilled water circulation system?（）A
A room thermostat activates an electric heater at each individual chilled air outlet when necessaryB
Varying the number of passes the air makes across the coilsC
Varying the temperature of the water through the coilsD
Varying the quantity of water flowing through the coils
考题
判断题Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.（）A
对B
错
考题
单选题Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）A
Holding the valve open for a long periodB
Increasing the starting air pressure usedC
Opening the stating air valve quicklyD
Reducing the starting air valve size
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