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【单选题】
一般来讲,99%的正常人在一年内的LES总分不超过()分A.
20
B.
22
C.
28
D.
32
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反馈参考答案：
举一反三
【单选题】听力原文： Many egg-laying animals merely lay their eggs and leave. Turtles for instance, leave their eggs to hatch on their own. The current theory about birds is that the earliest birds did just that whe...
A.
Their flying ability improved greatly.
B.
They became warm-blooded.
C.
They began to lay eggs.
D.
They changed their migration patterns.
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
human activities have changed the way turtles survive
B.
efforts have been made to protect turtles from dying out
C.
government bureaucracy has contributed to turtles' extinction
D.
marine biologists are looking for the secret of turtles' reproduction
【单选题】米格－25效应是指，事物的内部结构是否合理，与其整体功能的发挥关系很大。在一定条件下，整体能力大于个体能力之和。 下列不能体现米格－25效应的是（ ）。
A.
金刚石和石墨均由碳原子构成，但因为原子的空间排列不同，前者比后者坚硬得多
B.
三个臭皮匠赛过诸葛亮
C.
田忌与齐威王赛马，因调整三匹马的出赛顺序，稳操胜券
D.
众人拾柴火焰高
【单选题】听力原文： Many egg-laying animals merely lay their eggs and leave. Turtles, for instance, and horseshoe crabs, the eggs hatched and the little ones are their own. The current theory about birds is the ear...
A.
Their flying ability improved greatly.
B.
They became warm-blooded.
C.
They began to lay eggs.
D.
They changed their migration patterns.
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