利用逻辑关系解题
利用逻辑关系是完型填空命题设计过程中用得较多的方法之一。解这类题目时需要我们多注意周围生活常识、行文的脉络及句子之间的转承关系。
[例1]
The English language has now become an international language because it is widely used by most countries in the world, ____you want to do business with foreigners, you have to learn English, for most of them speak and write English.
A.As B.If C.So D.Since
【解析】本段主要讲述英语语言在世界上被广泛地运用，后面一句是举例说明。假如你想跟外国人做生意，你就必须学英文，因为他们大多数人讲英文。两句句子是论点和论据的关系，论据部分用了假设的条件关系。因此，在理清句子之间的脉络之后，很容易知道应选B。
[例2]
Western country music describes life. It talks about love, jobs, home and money. It talks about friends and enemies, farms and crops. People in many parts of the world like western country music ___b____ everyone knows something about these ideas.
【解析】我们中国人对于西方乡村音乐还是有所了解的，它描述生活中的一些事情，如爱情，事业，家庭，朋友，农场，庄稼等，人们对乡村音乐耳濡目染。本段的最后一句因与前文存在因果关系，因此填because。
[例3]
Sadly, it is very difficult for pandas to live in the world. Here are some of the_______ that pandas may have in the future. If hunters catch a panda, they will kill it for its fur. If farmers cut down trees and forests, pandas will have no place to live in.
A. examples B. questions C. matters D. problems
【解析】根据下文people will kill pandas和pandas will have no place to live in可以判断，这都是说明熊猫在将来可能面临的问题。B选项questions只是表达一般的问题。D项最为恰当。
[例4]
A month later, Mary hadn't heard from Peter or received any money, __s_____ she phoned him.
【解析】根据上文Mary hadn't heard from Peter和下文she phoned him可以判断两句之间存在着因果关系。因此填so。
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