2019年高中英语 Unit9 Grammar随堂演练2 北师大版必修3.doc
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2019年高中英语 Unit9 Grammar随堂演练2 北师大版必修3.doc
2019年高中英语 Unit9 Grammar随堂演练2 北师大版必修3.单句语法填空(不多于3个单词)1He _ (write) just one novel so far.答案与解析has writtenso far意为“到目前为止”,是完成时态的时间状语。2Now that she is out of a job, Lucy _ (consider) going back to school, but she hasnt decided yet.答案与解析has been considering根据“but she hasnt decided yet”判断,Lucy还在考虑这件事,要用现在完成进行时,表示动作还要继续下去。3More patients _ (treat) in hospital this year than last year.答案与解析have been treatedtreat与patient是动宾关系,应用被动语态;this year是表示现在时间的状语,所以应用现在完成时的被动语态。4The first use of atomic (原子的) weapons was in 1945 and their power _ (increase) enormously ever since.答案与解析has been increasedever since意为“自那以来;从那至今”,要与现在完成时连用;power是increase的被执行者,所以要用被动语态。5Years ago we didnt know this, but recent science _ (show) that people who dont sleep well soon get ill.答案与解析has shown根据but表示的转折意义判断,后面应说明现在的情况,与几年前相对照,并且空后说明了结果,所以应用现在完成时。6He was hoping to go abroad but his parents _ (decide) that they wont support him unless he can borrow money from the bank.答案与解析have decided根据句意判断,应该是“他父母已经决定不供养他”,所以应用现在完成时。7My brother is an actor. He _ (appear) in several films so far.答案与解析has appeared句中有时间状语so far,意为“迄今为止;到现在为止”,可确定用现在完成时。8The coffee is wonderful! It doesnt taste like anything I _ (have) before.答案与解析have hadbefore应用于完成时,所以应填have had。9The temperature _ (fall) to minus 3 in London and it is likely to get even colder as the day goes on.答案与解析has fallen/has been falling现在温度已降到零下3度了,用现在完成时或现在完成进行时。句意:伦敦气温下降到零下3度,可能还要更冷。10Over the past decades, sea ice _ (decrease) in the Arctic as a result of global warming.答案与解析has been decreasing由时间状语over the past decades可知,主句只能用现在完成进行时,表示“一直”。.单句改错1What have you been doing before you left Oxford?_答案havehad2Its a good job. Have you done it all by yourself?_答案Have you doneDid you do3Its a long time since you e to see me._答案ecame4Alice didnt see much of Henry lately._答案didnt seehasnt seen5Im glad to tell you that you passed the exam._答案passedhave passed