[单项选择]I’m really positive that this product( )all the features you have always wanted．
A. is
B. are
C. have
D. has

[单项选择]Woman: Did you really work all of these problems without any help from the bookMan: Well, most of them anyway.Question: What does the man imply

[单项选择]_______ hearing is really produced in all animals by the effect of pressure is not definitely known by scientists.
A. If or not
B. Whether or not
C. have never heard of
D. had never heard of

[单项选择]I don' t really know John all that well; he' s just a ______ acquaintance.
A. random
B. formal
C. casual
D. haphazard

[单项选择]

 All that we really need to plot out the future of our universe are a few good measurements. This does not mean that we can sit down today and outline the future course of the universe with anything like certainty. There are still too many things we do not know about the way the universe is put together. But we do know exactly what information we need to fill in our knowledge, and we have a pretty good idea of how to go about getting it. Perhaps the best way to think of our present situation is to imagine a train coming into a switch yard(调车场). All of the switches are set before the train arrives, so that its path is completely determined. Some Switches we can see, others we cannot. There is no ambiguity (不明确) if we can see the setting of a switch; we can say with confidence that some possible futures will not materialize (实现) and others will. At the unseen switches, however, there is no such certainty. We know the train will take one of the tracks leading out, but we have n
A. They tell us which one of the tracks the universe will use.
B. They enable us to alter the course of universe.
C. They give us information about the lunar surface.
D. They determine which course the universe will take in the future.

[单项选择]Almost all companies trying to develop new products and create new jobs have to ______.
A. persuade the banks to provide long-term finance
B. rely on their own financial resources
C. borrow large sums of money from friends and relatives
D. depend on the pubic as a way for finance

[单项选择]All of the following are true about the product life cycle EXCEPT:
A. It is collection of generally sequential, non-overlapping product phase
B. The last product life cycle phase for a product is generally the product’s deterioration and deat
C. Generally, a project life cycle is contained within one or more product life cycle
D. Generally, a project life cycle contains one or more product life cycle

[单项选择] int a_really_really_really_long_variable_name=5；   int _hi=6；   int big=Integer.getInteger（“7”）；   int $dollars=8；   int %percent=9；   有几个可以通过编译？（）  
A. 2
B. 3
C. 4
D. 5
E. 1

[单项选择]Scientists are convincedthe positive effect of laughterphysical and mental health.
A. of; at
B. by; in
C. of, on
D. on; at

[单项选择]What effect does excessive positive onisation have on some people
A. They think they are mad.
B. They feel very tired.
C. They become violently sick.
D. They are too tired to do anything.

[单项选择]What effect does excessive positive ionization have on some people
A. They think they are insane.
B. They feel rather bad-tempered.
C. They become violently sick.
D. They are too tired to do anything.

[单项选择]According to the passage, scientists have positively confirmed that the brains of narcoleptics differ from those of normal brains in which of the following ways
A. (A) Narcoleptic brains tend to remove degenerative tissue at a more prolific rate than that of nonnarcoleptics.
B. (B) Narcoleptics are less responsive to drugs which treat neural autoimmune dysfunction than are nonnarcoleptics.
C. (C) Nonnarcoleptics do not possess the same neurological immune antigens as narcoleptics.
D. (D) Neurons that control muscle tone are damaged in the brains of narcoleptics, but not in those of non-narcoleptics.
E. (E) Narcoleptics experience greater neural degeneration as a result of aging than do nonnarcoleptics.