题目

.How can you pass the examination_____ you never attended class? A. in case               B. even if          C. unless          D. when 答案:D 解析: 考查状语从句的连接词。句意:既然你从没上过课,你怎么能通过考试呢? When conj.相当于considering that 既然,考虑到;in case万一,以防;even if即使;unless除非。弹簧秤是测量    的仪器,弹簧秤刻度均匀是因为    .
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