2. 考研
  3. Change, or the ability to【C1】______oneself to a changing environment is essential【C2】______evolution. The farmer whose land is r

Change, or the ability to【C1】______oneself to a changing environment is essential【C2】______evolution. The farmer whose land is r

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问题     Change, or the ability to【C1】______oneself to a changing environment is essential【C2】______evolution. The farmer whose land is required for housing or industry must adapt himself: he can transfer to another place and master the problems【C3】______to it: he can change his occupation, perhaps【C4】______a period of training: or he can starve to death. A nation which can’t adapt its trade or defense requirements to【C5】______world conditions faces an economic and military disaster. Nothing is fixed and permanently stable.【C6】______must be movement forward, which is progress of a sort, and movement backward, which is decay and deterioration.
    In a changing world, tradition can be a force for good or for evil.【C7】______long as it offers a guide, it helps the ignorant and the uninformed to take a step【C8】______and, thereby adapt themselves to【C9】______circumstances. But if we make an idol of tradition, it ceases to be a guide. It becomes an obstacle【C10】______on the path of course. Man is to accept the help which tradition can give but to be well aware of its limitations in a changing world.
【C2】
选项 A、in
B、to
C、with
D、at
答案B
解析 be essential to (for)…为固定搭配，意为“对于……是不可少的”。句中指的是“对于发展来说是必不可少的”。同义词组为be vital to。还要掌握二者在下面结构中的用法：It is+essential／vital+that从句，该结构的主语从句中要用(should)+V．形式。
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