题目内容

14．The book is meant for         needs it．（　　）
A．whoB．whoeverC．whomeverD．whom

分析 这本书是为那些无论谁需要的设计的．

解答 答案：B．根据The book is meant for，说明后面整句是介词后的宾语从句，而宾语从句  needs it可知句子不完整，缺主语成分，whoever做主语whomever做宾语，故选B．

点评 本题考查宾语从句的连接词，在充分分析句型基础上便能选出正确答案．注意宾语从句分为介词后宾语从句及动词后宾语从句

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73．The author uses the example of the moose and wolves on Isle Royale toB．
A．provide evidence that predators influence prey populations
B．question the belief in the effect of predators on prey populations
C．demonstrate predator population grows faster than that of the prey
D．prove that studies of isolated populations tend to be useful
74．The word"rebound"in the passage is closest in meaning toD．
A．React
B．Resist
C．Remain
D．Recover
75．Which of the following is true according to the passage？A
A．Laboratory results can't explain the changes in predator and prey populations of the wild．
B．The growth of hare population may lead to a corresponding increase in its birth rates．
C．The experimental environments can promote the growth of predator and prey populations．
D．The existence of a major predator in a community is a threat to the diversity of species．
76．What can we conclude from the passage about the cycle of the Canada lynx？C
A．When hare numbers decrease，lynx numbers increase．
B．It has a great effect on the number of snowshoe hare．
C．It closely follows the cycle of the snowshoe hare．
D．It is not directly related to the availability of lynx food．
77．What is the best title of this passage？B
A．What role predators play in keeping competitor species．
B．Whether predators have an impact on prey populations．
C．A study of the populations of the predator and prey animals．
D．Contributing factors of the changes in animal populations．

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