题目内容
（请给出正确答案）
A、nutrients
B、non-nutrients
C、water soluble substance
D、metabolic intermediate
E、metabolic starting material
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听力原文：Why do most solid objects melt if they get hot enough？
(12)
A．It is the effect of the heat on the objects atoms.
B．They move out of their usual places.
C．Its atoms move too fast.
D．Atoms hold together and give the object its shape.
Which of the following objects is the most important to Mr. Johnson？ ______.
A．The hammer.
B．The coin.
C．The screw.
D．The horn.
A.objects
B.processes
C.events
D.concepts
Which of the following objects is the most important to Mr. Johnson？
A．The hammer.
B．The screw.
C．The coin.
D．The horn.
A．must be strong
B．can be porous
C．have a smooth texture
D．are highly decorated
What does the author most object to in the science movies of the 1790s？
A．He objects to their camera work.
B．He does not like their music.
C．He believes that their stories are too much alike.
D．He criticizes their special effects.
OOP languages that create objects, such as(1)and(2)are beginning to take hold as viable tools for programmers. To effectively reuse objects, programmers need a place to store them such as an ODBMS or a RDBMS with object oriented extensions.Databases that handle object data not only let user store and retrieve(3)data, but also let them store objects created by OOP languages, to facilitate rapid software development and reuse, and let them(4)new multimedia applications combining multiple data types.RDBMS vendors have developed new extensions to existing DB technology to accommodate the most common forms of(5)data.
A．C++
B．BASIC
C．PASCAL
D．C
听力原文： Most people think of astronomers as people who spend their time in cold observatories peering through telescope every night. In fact, a typical, astronomer spends most of his or her time analyzing data and may only be at the telescope a few weeks of the year. Some astronomers work on purely theoretical problems and never use a telescope at all. You night not know how rarely images are viewed directly through telescopes. The most common way to observe the skies is to photograph them. The process is very simple. First, a photographic plate is coated with a lightsensitive material. The plate is positioned so that the image received by the telescope is recorded on it. Then, the image cam he developed, enlarged and published so that many people can study it. Because most astronomical objects are very remote, the light we receive from them is rather feeble. But by using a telescope as a camera, long time exposures can be made. In this way objects can be photographed that are a hundred times tm faint to be seen by just looking through a telescope.
(20)
A．They devote a lot of time to theoretical problems.
B．They spend most of their time looking through telescopes.
C．They are constantly analyzing data.
D．They often live near observatories.
A) he sees a human face more often than any other kind of pattern
B) he has an inherent ability to regard a human being as helpful
C) a human face is the most complex pattern he can see
D) a human face is often accompanied by a pleasant voice
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