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19.Obey the rule strictly,_______  _ you'll be published.(  )
A.thenB.orC.andD.but

分析 严格遵守规则,否则你会受到惩罚的.

解答 答案是B,本题考查并列连词的特殊句式.本题中含有特殊句式:"祈使句+and/or+一般将来时的句子"=If引导的条件句+主句.and 表示顺接语气;or否则,相当于与上文语义相反的条件;本句="If"you don't obey the rule strictly,you'll be punished.故B正确.

点评 首先要理解连词的功能:并列连词连接并列的词、短语或句子;从属连词连接主从句;其次理解各连词含义;最后结合语境做出判断.

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