2000年8月
7. On attaining maximum size,________ by drawing itself out and dividing into two daughter amoebas, each receiving identical nuclear materials.
A. the reproduction of the amoeba; B. the amoeba, which reproduces; C. reproducing the amoeba; D. the amoeba reproduces
为什么要选 D?
11. In art, the tendency of gouache colors to lighten on drying makes ___ a wide range of pearly or pastellike effects.
A. It is possible; B, possible; C. possible to be; D. it possible the
为什么要选 B?? C为什么不可以?
14. To break thick ice, an icebreaker boat moves fast enought to ride up on the ice, ______ under its weight.
A. so then breaks; B. when breaks it ; C. which then breaks; D. for which then breaks
不懂.
18 The cork oak tree has a layer of cork several inches thickness that can be stripped every ten years.
A B C D
为什么要选择B
20. Free radicals of oxygen, which common by-common by-products of metabolic processes in the body, are capable of causing tissue damage.
A B C D
为什么要选 A??
25. Visibly only through large telescopes, Pluto has a yellowish color, which indicates that there is very little atmosphere.
A B C D
为什么要选择A??
27. The Internationa Monetary Fund was created in a effort to stabilize exchange rates without interfering with the healthy growth of trade.
A B C D
为什么要选B?
2001年1月
33, The Western world is beset with the range of problem that characterize mature, postindustrial societies.
A B C D
为什么要选 B?
[此贴子已经被作者于2006-3-7 17:48:09编辑过] |