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A、Some of them are frightening. B、They eat human beings when disturbed. C、They attack human beings without irritation. D、Some of
A、Some of them are frightening. B、They eat human beings when disturbed. C、They attack human beings without irritation. D、Some of
admin
2013-02-05
60
问题
(32) Most people picture sharks as huge, powerful, frightening animals that eat meat, ready at any moment to use their sharp teeth to attack careless swimmers without provocation. There are numerous wrong opinions, however, in this conception of sharks. First of all, there are about 350 species of shark, and not all of them are large. (33)They range in size from the dwarf shark, which can be only 6 inches long and can be held in the palm of the hand, to the whale shark, which can be more than 55 feet long. A second wrong opinion concerns the number and type of teeth, which can vary tremendously among different species of shark. A shark can have from one to seven sets of teeth at the same time, and some types of shark can have several hundred teeth in each jaw. (34)It is true that the fierce and meat-eating species do possess extremely sharp and brutal teeth used to rip prey apart; many other types of shark, however, have teeth more adapted to grabbing and holding than to cutting and slashing. Finally, not all sharks are frightening animals ready to strike out at humans. In fact, only 12 of the 350 species of shark have been known to attack humans, and a shark needs to be provoked in order to attack. (35)The types of shark that have the worst record with humans are the tiger shark, the bull shark and the great white shark. However, for most species of shark, even some of the largest types, there are no known instances of attacks on humans.
32. What do most people think of sharks?
33. Which is probably the longest shark?
34. What is the usage of the sharp teeth of the meat-eating sharks?
35. What do we know about sharks?
选项
A、Some of them are frightening.
B、They eat human beings when disturbed.
C、They attack human beings without irritation.
D、Some of them are powerful.
答案
C
解析
推理判断题。短文开头指出把鲨鱼刻画成巨大的、有威力的、恐怖的肉食动物,在不受任何刺激的情况下时刻准备着用它们尖利的牙齿攻击不小心的游泳者。
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0
大学英语六级
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