题目内容
10．People in North China eat noodles as their main food ___ people in the south eat rice．（ ）| A． | as | B． | while | C． | when |
分析 中国北方的人吃面条作为主食，而南方人则以米饭作为主食．
解答 答案：B；
根据语境以及上下文，本题考查的是连词的用法．根据People in North China 和people in the south 结合设空处前后的句子可以推测句意是"中国北方的人吃面条作为主食，而南方人则以米饭作为主食．"所以该空应填while，while在此处表示"然而"之意，是并列关系，表前后的对比，故选B
点评 比较和分析选项中连词的不同含义及其用法是解答该题的关键；还要根据句中信息正确推测该句句意，进而作出解答．
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