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　　今天小编为大家分享的是2020年专升本英语真题，希望通过这些真题的学习对你们有所帮助，大家要认真掌握哦!下面跟随小编一起学习吧！
　　1. ____ it rain, the crops_____.
　　A. Shall,would be saved
　　B. Should, would be saved
　　C. Would, should be safe
　　D. Were, might be safe
　　2. ____is quite natural, a beginner can't read the books written in English very quickly.
　　A. Which
　　B. As
　　C. What
　　D. It
　　3. I couldn't have got to the meeting on time--____ an earlier train.
　　A. if I had not caught
　　B. unless I had caught
　　C. if I did not catch
　　D. unless I caught
　　4. --How long___each other before they____ married?
　　--For about a year.
　　A. have they known; get
　　B. did they know; were going to get
　　C. do they know; are going to get
　　D. had they known; got
　　5. —When_____ and visit our exhibition next month?
　　— When____, I will let you know.
　　A. will he come; he will come
　　B. will he come; he comes
　　C. does he come; he will come
　　D. does he come; he comes
　　1、答案：B
　　本题是虚拟语气和它的省略的考查。主从句谓语都是对将来情况的虚拟形式。if从句中如果出现should，had，were，可以省略if，将should，had，were倒装。
　　2、答案：B
　　本题是连词的使用考查。as引导非性定语从句，表示“正如……那样”的含义。
　　3、答案：B
　　if．．．not和unless有时也不能互相替换。unless不能用于“由于未发生B而发生A”的句子里，如：1 will be quite斟ad if she does not come this evening。unless常用来引导一个谈及过去的事后的想法，unless从句跟着主句，通常用破折号而不是逗号将它与主句分开。
　　4、答案：D
　　根据句意分析，他们结婚是已过去的事，那么，他们互相了解大约一年的时间肯定发生在结婚前，发生在过去某一动作之前的动作，应该使用过去完成时。
　　5、答案：B
　　一、句中的时间状语next month确定了这句的一般将来时的时态，然而第二句是由when引导的时间状语从句，在时间状语从句中只能用一般现在时表示一般将来时。
　　距离20年专升本考试还有146天。