北京语言大学21春英语语法离线作业一辅导答案1. Early yesterday, an accident was occurred on Xuezhe Road.( )A.错误B.正确参考答案：A2. Have you watered the flowers? No, but _. A) I am B) I&39;m going C) I&39;mHave you watered the flowers?No, but _.A) I amB) Im goingC) Im just going toD) I will goC3. I must apologize for _ ahead of time That&39;s all right Aletting you not know Bnot lI must apologize for _ ahead of timeThats all rightAletting you not knowBnot letting you knowCletting you know notDletting not you knowB动名词的否定式是在动名词前加not。4. Space is a dangerous place, not only because of meteors(流星) 【C1】_be-cause of rays fSpace is a dangerous place, not only because of meteors(流星) 【C1】_be-cause of rays from the sun and【C2】_stars. The atmosphere again acts【C3】_our protective blanket on【C4】_. Light gets through, and this is essential【C5】_plants to make the food which we【C6】_. Heat,【C7】_, makes our environments tolerable and some ultraviolet(紫外线的)rays penetrate the【C8】_. Cosmic(宇宙的)rays of various kinds come【C9】_the air from outer space, but【C10】_quantities of radiation from the sun are screened off.【C11】_men leave the atmosphere they are【C12】_to this radiation but their spacesuits or the walls of their spacecraft, if they are inside,【C13】_prevent a lot of radiation damage. Radiation is the greatest known danger to explorers in【C14】_. Doses of radiation are measured in【C15】_called rems(雷姆). We all【C16】_radiation here on earth from the sun, from cosmic rays and from radioactive minerals. The 【C17】_ dose of radiation that we receive each year is about too milli-rems; it【C18】_according to where you live, and this is a very rough estimate. Scientists have reason to think【C19】_a man can【C20】_far more radiation than this without being damaged; the figure of 60 rems has been agreed on.【C1】Abut alsoBever soCas wellDor so正确答案：A看到notonly就要想到butalso。5. Please make sure the terms _ the L/C are exactly the same as those _ our contract so thatPlease make sure the terms _ the L/C are exactly the same as those _ our contract so that there is no need for amendment, which is costly and time consuming.in，in6. 请对H2284号信用证作下列修改： (1)将交货期展至5月31日。 (2)将有效期展至6月15日。 等候修改通知书。请对H2284号信用证作下列修改：(1)将交货期展至5月31日。(2)将有效期展至6月15日。等候修改通知书。We request you to have L/C No H2284 amended as follows: (1) Extend the time of shipment till 31 May (2) Extend the validity of the L/C till 15 June Await your amendment advice 7. The opposition leader&39;s speech stole the headlines from the government.The opposition leaders speech stole the headlines from the government.反对党领袖的演讲在报纸上大出凤头，使政府相形见绌。8. If I _ in university, I _ the present job.A.didnt study, would getB.hadnt studied, would getC.didnt study, didnt getD.hadnt studied, wouldnt get参考答案：D9. After trying several times, _to see him.AmanagedBsucceededCconcludedDattemptedAfter trying several times, _to see him.AmanagedBsucceededCconcludedDattempted正确答案：A10. Please accept this gift as an expression of our thank.( )A.错误B.正确参考答案：A11. operating system 英译中operating system 英译中参考答案操作系统12. The old man feels lonely with _ to look after him. Asomeone Bno one CanyoneThe old man feels lonely with _ to look after him.AsomeoneBno oneCanyoneDnoneB13. Henry can&39;t attend the party _ at Tom&39;s house at present because he is preparing the speech at the party _ at Marie&39;s house tomorrow.A.held/being heldB.to be held/to be heldC.to be held/heldD.being held/to be held参考答案：D14. The more you give her, _ she seems to appreciate it. Alesser Bthe lesser ClessThe more you give her, _ she seems to appreciate it.AlesserBthe lesserClessDthe lessD15. We have 30 men are working from 6 a.m. to 11 p.m.( )A.错误B.正确参考答案：A16. I&39;ll pay for the meal, and you pay for the taxi, or perhaps I&39;ll pay for both.( )A.错误B.正确参考答案：B17. He will tell her about it as soon as he sees her.( )A.错误B.正确参考答案：B18. If most of your students didn&39;t finish their homework, I&39;m sure that you _ angry.A.will getB.getC.should getD.would get参考答案：D19. I love boiled beef and potatoes; it&39;s my _ meal. Apopular Bfavourable CfondestI love boiled beef and potatoes; its my _ meal.ApopularBfavourableCfondestDfavouriteD20. Marilyn had to leave for Mexico City; ( ), she wi1l not be available for next week s meeting.A. consequentlyB. neverthelessC. moreover