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　　为了帮助大家高效备考英语六级级，今天小编为大家分享的是英语六级的英语用法和词汇前后缀，希望对大家有所帮助，祝各位同学取得令人满意的成绩。和小编一起来看看吧！
　　英语用法辨析：
　　more than与over的关系
　　over做介词表“超过”时，可用more than代替。
　　例：he has stayed here over a year. = he has stayed here more than a year. (他已待在此地一年多。)
　　he has stayed here more than over a year.(x)
　　he has stayed here much over a year.(×，much应除)
　　over five students are here. = more than five students are here. (这里的学生有五人以上。)
　　 前后缀：bi- = two
　　bi- == two
　　bicycle 自行车
　　bilateral 双方
　　bimonthly 双月刊
　　biweekly 双周刊
　　bicolor 两色的
　　bilingual 两种语言的