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Some high-yield crops can be planted in preference to others to______food supply
Some high-yield crops can be planted in preference to others to______food supply
游客
2023-12-31
49
管理
问题
Some high-yield crops can be planted in preference to others to______food supply.
选项
A、handle
B、generate
C、enhance
D、undertake
答案
C
解析
(1)句子结构。
本句是一个含有被动语态的简单句,Some high-yield crops为物称主语,句尾加不定式to do something作谓语动词plant的目的状语。
(2)选项词义。
A.handle v.处理;操作;运用;买卖;触摸
B.generate v.使形成;发生:生殖
C.enhance v.提高;加强;增加
D.undertake v.承担,保证;从事;同意;试图
本句大意为“为增加粮食供应,应当优先种植一些高产作物”。从high-yield crops可以推出,在四个选项中,只有enhance符合题意。
【知识拓展】(1)语法拓展:不定式作状语。
不定式在句中可以作状语,表示原因、目的、结果等。
e.g.He was lucky to find the missing book.(原因状语)
找回丢失的书,他很幸运。
He got to the station only to be told that the train had gone.(表示结果)
他赶到火车站,结果被告知火车已经开走了。
He stole out ofthe room in ordor not to disturb me.(目的状语)
为了不打扰我,他悄悄地走出了房间。
(2)词汇拓展:enhance与increase。
①enhance v. to improve something
e.g.Good lighting will enhance any room.
良好的照明能给房间增色不少。
②increase v. to become or to make sth.greater in amount,number, value,etc.
e.g.The population increased dramatically in the first half of the century.
该世纪上半叶,人口大幅度增加。
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