问题
单项选择题
关于卵巢固有韧带错误的叙述是（）
A、又称卵巢子宫索
B、由结缔组织和平滑肌纤维构成
C、起自卵巢下端
D、止于输卵管与子宫结合处的后下方
E、是寻找卵巢动静脉的标志
答案
参考答案：E
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关于卵巢固有韧带错误的叙述是（）
A、又称卵巢子宫索
B、由结缔组织和平滑肌纤维构成
C、起自卵巢下端
D、止于输卵管与子宫结合处的后下方
E、是寻找卵巢动静脉的标志
参考答案：E
Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices marked A, B, C and D.
| The key to the industrialization of space is the U.S. space shuttle. (51) it, astronauts will acquire a workhouse vehicle (52) of flying into space and returning many times. (53) by reusable rockets that can lift a load of 65 000 pounds, the shuttle will carry devices for scientific inquiry, as well as a variety of military hardware. (54) more significantly, it will deliver materials and machines into space for industrial purposes (55) two decades ago when "sputnik" (artificial satellite) was added to the vocabulary. In short, the (56) importance of the shuttle lies in its promise as an economic tool. What makes the space shuttle (57) is that it takes off like a rocket but lands like an air plane. (58) when it has accomplished its mission, it can be ready for (59) trip in about two weeks. The space shuttle, the world’s first true spaceship, is a magnificent step (60) making the impossible possible for the benefit and survival of man. |
A．Then
B．Or
C．But
D．So