高中英语《Unit 2 Heroes》Section Ⅱ 语法讲座 专题练习课下作业 北师大版必修1.doc

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1、高一英语课下作业北师大版必修1Unit 2 HeroesSection 语法讲座 专题练习.完成句子1I (从未听说过) it before.答案：have never heard of2 (你挤牛奶了吗)? Yes. I have done that already.答案：Have you milked the cow3Oh dear! I (没见到你) for several years.答案：havent seen you4What (发生) to Zhouqu in the last month?答案：has happened5Ill help you when I (完成) my p

2、aper.答案：have finished6If it (雪停了), Ill go to the park.答案：has stopped snowing7He (买这本书) for a week.答案：has had the book8It is the second time that I (犯这种错误)答案：have made the mistake9Its a week since he (生病)答案：fell ill10John (工作) for 10 years.答案：Has worked/has been working.单项填空1When I was at college, I

3、_ three foreign languages, but I _ all except a few words of each.Aspoke; had forgottenBspoke; have forgottenChad spoken; had forgottenDhad spoken; have forgotten解析：句意：我在大学里会说三种外语，但是现在只记得每种外语中的几个单词了。上大学时是过去的一段时间，所以第一空用过去时spoke；而忘记这一动作发生在到目前为止的时间段内，故用现在完成时。答案：B2 Where is the key to the meeting room?

4、Dear me! I _ it in the taxi!Ahave left BleaveChad left Dleaving解析：根据语境可知，钥匙不在答话者手中，而是忘在出租车上了，因此用现在完成时表示过去发生的动作对现在的影响门打不开了。答案：A3According to the report, the number of people out of work _ by 10% in the past two years.Awas increased Bwere increasedChave increased Dhas increased解析：“the number of复数名词”作主

5、语时，谓语动词用单数形式；又“in the past一段时间”与现在完成时连用，故选D项。答案：D4We _ each other ever since we graduated from high school in the 1990s.Adidnt see Bwouldnt seeChavent seen Dhadnt seen解析：句意：我们自从90年代高中毕业后就再也没见过对方。ever since引导的时间状语从句常与现在完成时连用。答案：C5 How are you today? Oh, I _ as ill as I do now for a very long time.Adi

6、dnt feel Bwasnt feelingCdont feel Dhavent felt解析：答语句意：哦，很长一段时间以来我没有像现在这样难受了。for a very long time是重要的判断依据。答案：D6 How long have you known Christopher? Since he _ to our company.Acame Bhas comeCwas coming Dcomes解析：since意为“自从”，引导时间状语从句，从句中常用一般过去时，主句中用现在完成时。答案：A7 When shall we restart our business? Not un

7、til we _ our plan.Awill finish Bare finishingCare to finish Dhave finished解析：在时间状语从句中，如果表示将来发生的动作时，常用一般时态代替，但在表示完成的动作时，可以用完成时态。故选D项。答案：D8For many years, people _ electric cars. However, making them has been more difficult than predicted.Ahad dreamed of Bhave dreamed ofCdreamed of Ddream of解析：由时间状语“f

8、or时间段” 可知，应用现在完成时。答案：B9Progress _ so far very good and we are sure that the work will be finished on time.Awas Bhad beenChas been Dwill be解析：句意：到目前为止，进展很顺利，我们相信工作会按时完成。so far表示“到目前为止”，常与现在完成时连用。答案：C10This is the first time we _ a film in the cinema together as a family.Asee Bhad seenCsaw Dhave seen解析：在“This is the first time (that) .”句型中，从句常用现在完成时。 答案：D