题目

The alarm________on time, but Mike turned over and went back to sleep.A.worked out B.went off C.got off D.found out 答案：【答案】B【解析】句意：闹钟准时响了，但是Mike翻个身然后继续回去睡觉了。考查动词短语搭配。worked out计算出；went off警钟响起，枪开火；got off下车，脱衣服；found out查明，发现。闹钟准时响起，应该是went off，故选B。19．在平角、周角、直角和钝角中，最大的角是周角，最小的角是直角．