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I am very surprised that even an expert on foreign affairs can know the painting is forgery. （）he can tell who painted it.
A . However
B . Otherwise
C . Nevertheless
D . Moreover
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It is very important that enough money （）to fund the project.
A . be collected
B . must be collected
C . is collected
D . can be collected
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To parallel an incoming machine to a running machine therefore it is necessary to ensure firstly that （）.
A . two frequencies must be brought into phase
B . the incoming machine accepts a small amount of load
C . the running machine must be unload
D . both voltages are equal
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Even in the absence of express instructions，the authority of the master of a ship is very large and（）to all acts that are usual and necessary for the employment of the ship.
A . expends
B . spreads
C . extends
D . enlarge
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It is very important that each cylinder should be （） scavenged before the charged air is compressed.
A . well
B . good
C . excellent
D . respectively
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We regret that it is necessary to complain（）the non-delivery of the10，000 tons of sugar under Contract BC-023.
A . concerning
B . about
C . regarding
D . with
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It is very necessary that each cylinder （） before the charged air is compressed.
A . is scavenged
B . has been scavenged
C . be scavenged
D . was scavenged
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Companycom is installing a p5 590 with a HMC to manage LPARs. The customer is very concerned about security and wants to restrict network traffic that is not necessary. What is necessary for communication between the LPARs and the HMC?（）
A . An administrative VLAN with port 1808
B . Port 657 which must remain open to TCP/IP and UDP traffic
C . Network addresses are provided by DHCP services on the network
D . DHCP on the HMC is required to be on to communicate between LPAR and HMC
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The iceberg model of culture implies that it is very difficult to understand a culture thoroughly.
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It is necessary that the meeting _____ at once.
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The necklace that she lost is very expensive. It’s of great______.
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1.The research team has made all necessary preparations for the project to start and they are frustrated to learn that it is to be put of indefinitely.( )
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What I am trying to say is that in my opinion he has not done his work very well and it needs improving.（）
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It is illegal for manufacturers to give their product a misleading name，or to claim that it is made of a particular ingredient which in fact ______ only a very small proportion of the product．
制造商们把他们的产品起一个误导人的名字或者宣称这种产品由特殊成分制成，而实际上产品中仅仅含有比例极小的特殊成分，这种做法是非法的。
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听力原文：W: This is the third time you have been late this week, Robert. You'll have to do better than that, or I might find it necessary to let you go.
M: It won't happen again, I assure you.
W: This is the last time I believe you.
What is the most probable relationship of the two people？
A．Doctor and patient.
B．Boss and employee.
C．Receptionist and tourist.
D．Teacher and student.
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We regret that it is necessary to complain______the non-delivery of the 10,000 tons of sugar under Contract BC-023.
A．concerning
B．about
C．regarding
D．with
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听力原文：When you have a dog it is necessary to care for it very carefully. In return you will be loved by your dog.
The most important part of dog-care is cleanliness. Not only does the dog have to be kept clean, but his environment should also be clean. The bed he sleeps in can be made with anything like a rug or a dog mattress.
Proper feeding is also important for your dog's health. A dog should be fed in the same place and on a regular schedule. If your dog refuses to eat, don't force him. Remove his food and don't feed him again until his next regular feeding. Food should never be left before a dog for more than 30 minutes.
One important thing that many dog owners forget is exercise for the dog. Vigorous exercise helps build strength and keeps the dog healthy. A regular walk at a fixed time of the day is enough to help a smaller dog live a healthier end happier life. Large dogs, though, require a run in an open fid&
There are other things that are also important for a dog's health — things like bathing, care of the teeth and nails, keeping them away from insects as much as possible. But if you observe the three main points covered above, your dog will give you a great amount of pleasure.
(23)
A．Until he eats it.
B．All day.
C．At lease 30 minutes.
D．No more than 30 minutes.
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Robot. It is a word that seems very modem. A word that creates a strong mental picture. A picture of something that looks and acts like a human. Robots are not human, of course. They are machines.
The word robot and robots themselves are less than 100 years old. But humans have been dreaming of real and imaginary copies of themselves for thousands of years. Early people made little human statues out of clay. And they cut wood and stone to look like humans.
What is the future of robots？ The goal of scientists is to create a true humanlike robot. Some experts have described this robot of the future as one that can act independently with the physical world through its own senses and actions. Humans have the ability to see, hear, speak and solve problems. Engineers have built robots that have one or two of these abilities. But it takes a number of big expensive computers to make the robots work.
The biggest problem in creating a humanlike robot is copying human intelligence. The way the human mind works is almost impossible to copy. A simple computer can solve mathematical problems far beyond the ability of even the smartest human mind. But the human mind is better than a thousand supercomputers at speaking, hearing and problem solving. Several American and Japanese companies are working to develop the senses of sight and touch for robots. The development of these senses will make robots much more useful.
However, the most important human ability the most difficult to copy is problem solving. An intelligent robot must be able to change the way it acts when it faces an unexpected situation. Humans do it all the time. Computers must do it for robots. This means computers must have a huge base of information about many things. They must be able to find quickly the needed information in their systems. And they must make choices about how to act. So far, this is beyond the ability of computers.
According to the passage, however intelligent a robot may be, it______.
A．acts as an ordinary animal
B．is nothing but a machine
C．is viewed as a modem myth
D．is regarded as a human being
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43 . It is very important for the strong man to know that _______ strong he is, he cannot be the strongest.
A whatever B whenever
C whichever D however
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It is very hard to believe that when Lincoln was born, communications were a little faster than in the days of Julius Caesar.
A．It is
B．that when
C．a little
D．in the days
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It is necessary that we must employ determined government action to control pollution.
A．Y
B．N
C．NG
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In order for the RU-486 pill to be approved for use in such nations as the United States, it is necessary that______.
A．the drug be proven absolutely safe for human use
B．a consensus be reached in the nation regarding the proper usage of such drugs in a moral sense
C．influential opposition groups accept it, opening the way for political feasibility
D．the question of when life begins be satisfactorily resolved and the current health concerns related to the pill clarified
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It is necessary that those computer-controlled motors to generate force feedback be made as small as possible because they have to be put on the user&39;s body.
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It is necessary that he_____without delay.
A．is coming
B．will come
C．comes
D．come
