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【单选题】
Directions： In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank above the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please fill the corresponding letter for each item in the blank. You may not use any of the words in the bank more than once.A.
spectacular
B.
speculate
C.
span
D.
scope
E.
available
F.
compelled
G.
bothered
H.
accumulated
I.
prospect
J.
boostK. humanities L. liable M. knowledgeable N. expelled O. stimulated Many people like to save books. If you walk into their home, you are 1 to see anywhere from a single bookshelf to a whole library full of all kinds of books. They have 2 such a wealth of books that the shelves in their study rooms reach up to the ceilings. The 3 book collections they keep on the shelves are dusted and lined up neatly. There are two important reasons why people save books. One reason people save their books is to use them as reference materials. People whose job includes studying a lot of textbooks might feel 4 to save some of those books for future reference. Those interested in electronic equipment keep their books to 5 about the mystery of computer technology and the like. Many families keep encyclopedias (百科全书) for their children to 6 their knowledge. Another reason people save books is to make a good impression. Some think that a library full of the books of the 7 , such as literatures and the books about art and history makes them look 8 . Some people have never 9 to read those books. Also, some people like to show to visitors their wide 10 of tastes and interests. In fact, it’s just a good feeling they want to have.
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举一反三
【单选题】巴比妥类药物如果Ｃ5位上Ｈ不被取代，则没有镇静催眠作用，这是因为（ ）
A.
不能与受体结合
B.
极性大，不能进入神经系统
C.
极性小，不能进入神经系统
D.
稳定性差
E.
分子量太小
【简答题】单作用叶片泵是 泵,而双作用叶片泵是 泵。
【简答题】双作用叶片泵是( )量泵,单作用叶片泵是( )量泵。