Some scientists are trying to find out the causefor hazeweather．题目和参考答案——青夏教育精英家教网——

题目内容

14．Some scientists are trying to find out the cause（原因）for haze（雾霾）weather．

分析一些科学家正试图找出雾霾天气的原因．

解答答案．cause；根据汉语提示和the，结合首字母c．可知"原因"可翻译为名词cause；根据句中的for haze（雾霾）weather可知该空应填名词单数形式cause；故填cause．

点评首字母一直是英语考试中的难点，解答此类题型的方法一般就是根据文章前后句子之间意思推断出词义，并结合首字母推断出所缺单词，然后根据该单词在句子中的句子成分，所起作用，确定单词词形，进行适当词形变化．

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29．The underlined word"polio"in paragraph 3meansA in Chinese．
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④She stopped being a runner and became a teacher and track coach．
A．③②①④
B．①③②④
C．③①②④
D．①③④②
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B．Wilma Rudolph was seriously sick when she was a young girl．
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