题目内容
7．Dave is very heavy now __________ he eats a lot every day．（ ）| A． | so | B． | because | C． | but | D． | or |
分析 Dave现在很重因为他每天吃得很多．
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．根据语境推测句意是"Dave现在很重因为他每天吃得很多．"可知设空处引导的从句表达是前面一句的原因，所以用连词because引导原因状语从句；故选B．
点评 本题主要考查连词的用法，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，明白前后句子之间的关系，才能更好地判断出所要用的连词，进而作出解答．
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