专业英语四级（语法与词汇）-试卷253及答案解析.doc

1、专业英语四级（语法与词汇）-试卷253及答案解析 (总分：52.00，做题时间：90分钟)一、LANGUAGE KNOWLEDGE(总题数：26，分数：52.00)1.PART III LANGUAGE KNOWLEDGEThere are twenty sentences in this section. Beneath each sentence there are four words, phrases or statements marked A, B, C and D. Choose one word, phrase or statement that best completes

2、the sentence.（分数：2.00）_2.It seems that she was there at the conference. The sentence means that _（分数：2.00）A.she seems to be there at the conference.B.she seemed to be there at the conference.C.she seems to have been there at the conference.D.she seemed to being there at the conference.3.The committe

3、e has anticipated the problems that _ in the road construction project.（分数：2.00）A.ariseB.will ariseC.aroseD.have arisen4.He would have finished his college education, but he _ to quit and find a job to support his family.（分数：2.00）A.had hadB.hasC.hadD.would have5.James has just arrived, but I didnt k

4、now he _ until yesterday.（分数：2.00）A.will comeB.was comingC.had been comingD.came6._conscious of my moral obligations as a citizen.（分数：2.00）A.I was and always will beB.I have to be and always will beC.I had been and always will beD.I have been and always will be7.Jack_from home for two days now, and

5、I am beginning to worry about his safety.（分数：2.00）A.has been missingB.has been missedC.had been missingD.was missed8.Come and see me whenever_.（分数：2.00）A.you are convenientB.you will be convenientC.it is convenient to youD.it will be convenient to you9.Mr. White works with a chemicals import & expor

6、t company, but he _ for this industrial fair, since he is on leave.（分数：2.00）A.has workedB.worksC.has been workingD.is working10.Professor Johnson is said_ some significant advance in his research in the past year.（分数：2.00）A.having madeB.makingC.to have madeD.to make11.I _the party much more if there

7、 hadnt been quite such a crowd of people there.（分数：2.00）A.would enjoyB.will have enjoyedC.would have enjoyedD.will be enjoying12.If you explained the situation to your solicitor, he _ able to advise you much better than I can.（分数：2.00）A.would beB.will have beenC.wasD.were13.If you_in such a hurry yo

8、u_sugar into the sauce instead of salt.（分数：2.00）A.were not, would not putB.were, would putC.had been, would have putD.had not been, would not have put14._their help, we would not have succeeded.（分数：2.00）A.Hadnt been forB.Had it not been forC.It hadnt been forD.Had not it been for15.She asked that sh

9、e _ allowed to see her son in police custody.（分数：2.00）A.would beB.could beC.beD.was16.It is necessary that he _the assignment without delay.（分数：2.00）A.hand inB.hands inC.must hand inD.has to hand in17.It is absolutely essential that William_his study in spite of some learning difficulties.（分数：2.00）A

10、.will continueB.continuedC.continueD.continues18.If only I_play the guitar as well as you!（分数：2.00）A.wouldB.couldC.shouldD.might19._you_further problems with your printer, contact your dealer for advice.（分数：2.00）A.If, hadB.Have, hadC.Should, haveD.In case, had20.It was recommended that passengers _

11、smoke during the flight.（分数：2.00）A.notB.need notC.could notD.would not21.If you have really been studying English for so long, its about time you _ able to write letters in English.（分数：2.00）A.should beB.wereC.must beD.are22.I was to have made a speech if_.（分数：2.00）A.I was not called awayB.nobody wou

12、ld have called me awayC.I had not been called awayD.nobody called me away23.Its getting late, Id rather you_now.（分数：2.00）A.leftB.leaveC.are leavingD.will leave24.Its high time we _ cutting down the rainforests.（分数：2.00）A.stoppedB.had to stopC.shall stopD.stop25.If only the patient_ a different treat

13、ment instead of using the antibiotics, he might still be alive now.（分数：2.00）A.had receivedB.receivedC.should receiveD.were receiving26.She seldom goes to the theatre, _?（分数：2.00）A.doesnt sheB.does sheC.would sheD.wouldnt she专业英语四级（语法与词汇）-试卷253答案解析 (总分：52.00，做题时间：90分钟)一、LANGUAGE KNOWLEDGE(总题数：26，分数：5

14、2.00)1.PART III LANGUAGE KNOWLEDGEThere are twenty sentences in this section. Beneath each sentence there are four words, phrases or statements marked A, B, C and D. Choose one word, phrase or statement that best completes the sentence.（分数：2.00）_解析：2.It seems that she was there at the conference. Th

15、e sentence means that _（分数：2.00）A.she seems to be there at the conference.B.she seemed to be there at the conference.C.she seems to have been there at the conference.D.she seemed to being there at the conference.解析：解析：题干中的“it seems that”用的是一般现在时，表示在说话时“看来似乎好像是”；that从句中用的是一般过去时，表示“她出席会议”是过去的事件。整句话表示现

16、在做出的对过去某事的判断。四个选项中，B、D用了一般过去时，时态不对；A没有表示“过去”的语法手段，也不对；C项中的不定式用了完成体，表示过去时间，语义与题干中的句子完全一致，为答案。3.The committee has anticipated the problems that _ in the road construction project.（分数：2.00）A.ariseB.will ariseC.aroseD.have arisen解析：解析：主句中的动词has anticipated为现在完成时的“已完成”用法，表示“已经预见到了”，强调现在的状态，因此定语从句中应该用将来时以

17、表示“(现在预见到)某事将要发生”，因此B为正确选项。4.He would have finished his college education, but he _ to quit and find a job to support his family.（分数：2.00）A.had hadB.hasC.hadD.would have解析：解析：他辍学是真的，此处是陈述事实，而且动作已经发生，所以用一般过去时。has to的过去时是had to，没有过去完成时had had to这种说法，故选C。5.James has just arrived, but I didnt know he _

18、until yesterday.（分数：2.00）A.will comeB.was comingC.had been comingD.came解析：解析：本句是在过去时间里(昨天)看将来动作(詹姆斯要来)，应该用过去将来时。因为come/go/leave一类动词的进行时可以表将来，was coming表达的就是过去将来时，因此B是正确答案。C项had been coming是过去完成进行时，表达的意思是“来”这个动作一直持续到昨天，与逻辑不合。6._conscious of my moral obligations as a citizen.（分数：2.00）A.I was and alway

19、s will beB.I have to be and always will beC.I had been and always will beD.I have been and always will be解析：解析：本句是一般性的陈述，没有理由用过去时或过去完成时，故排除A和C。选项B中的have to“不得不”表达的是被迫、不情愿的意思，与句子正面、肯定的意思相反。只有D正确地表达了说话者的观念持续到现在并将延续到将来的意思。7.Jack_from home for two days now, and I am beginning to worry about his safety.（

20、分数：2.00）A.has been missingB.has been missedC.had been missingD.was missed解析：解析：由句中的时间状语for two days now可确定用现在完成时，而表示“失踪的”应该用missing，而不是missed“被错过的”，因此选项A正确。8.Come and see me whenever_.（分数：2.00）A.you are convenientB.you will be convenientC.it is convenient to youD.it will be convenient to you解析：解析：主句

21、用祈使句表达将来的概念，whenever引导的状语从句用一般用现在时表将来，先排除B和D。表示“你方便”用it is convenient to you，而不是you are convenient，故答案为C。9.Mr. White works with a chemicals import & export company, but he _ for this industrial fair, since he is on leave.（分数：2.00）A.has workedB.worksC.has been workingD.is working解析：解析：从句意来看，怀特先生并不是工业

22、交易会的长期雇员，所以不能用一般现在时；此外他正在休假期间，所以才有空做其他工作，所以包含过去含义的现在完成时和现在完成进行时都不合适；现在进行时与“在休假期间”相吻合，所以D为正确选项。10.Professor Johnson is said_ some significant advance in his research in the past year.（分数：2.00）A.having madeB.makingC.to have madeD.to make解析：解析：is said后跟不定式，不能跟动词-ing形式，排除A和B。从句中的时间状语in the past year可以看出

23、动作已经发生并完成。C项to have made是不定式的完成式，表示动作发生在谓语动词之前，而D项to make表示动作没有发生，故C项正确。11.I _the party much more if there hadnt been quite such a crowd of people there.（分数：2.00）A.would enjoyB.will have enjoyedC.would have enjoyedD.will be enjoying解析：解析：本句含有if引导的条件句，从句中使用了hadnt been，是对过去情况的假设，因此主句的结构应为would have do

24、ne，故答案为C。12.If you explained the situation to your solicitor, he _ able to advise you much better than I can.（分数：2.00）A.would beB.will have beenC.wasD.were解析：解析：本题条件状语从句中的谓语动词用了过去式explained，说明其内容与现在或将来的情况相反。所以主句的谓语动词应该用“would+动词原形”，答案为A。13.If you_in such a hurry you_sugar into the sauce instead of s

25、alt.（分数：2.00）A.were not, would not putB.were, would putC.had been, would have putD.had not been, would not have put解析：解析：题干中把糖放到酱汁里这个动作已经发生，因此本句是对过去情况的假设。if条件状语从句应使用had done，主句使用wouldshouldcould have done。选项C和D在语法上都对，不过C用了肯定，表示“如果你匆忙，你会把糖当成盐放到酱汁里”，意思上不合逻辑，故D项正确。14._their help, we would not have succ

26、eeded.（分数：2.00）A.Hadnt been forB.Had it not been forC.It hadnt been forD.Had not it been for解析：解析：本句是省略了if的虚拟条件句，原句的正常语序为：If it had not been for their help省略if时，只提前助动词，否定词not不用提前，即Had it not been for。故答案为B。15.She asked that she _ allowed to see her son in police custody.（分数：2.00）A.would beB.could be

27、C.beD.was解析：解析：ask作“请求，要求”讲时，其后的宾语从句要用虚拟语气，从句谓语动词使用“(should+)动词原形”。类似用法的动词还有demand，suggest，order，require，desire，surprise等等。16.It is necessary that he _the assignment without delay.（分数：2.00）A.hand inB.hands inC.must hand inD.has to hand in解析：解析：在“It iswas+形容词+that从句”中，that引导的主语从句谓语动词常用should+动词原形。用于该

28、句型的形容词有necessary，good，important，right，wrong，better，natural，proper，funny，strange，surprising等。17.It is absolutely essential that William_his study in spite of some learning difficulties.（分数：2.00）A.will continueB.continuedC.continueD.continues解析：解析：It is essential that句型中，that引导的从句用虚拟语气，谓语动词用“should+动词

29、原形”，should可以省略。故C为正确选项。类似的形容词还有：important，necessary，imperative，advisable，desirable等。18.If only I_play the guitar as well as you!（分数：2.00）A.wouldB.couldC.shouldD.might解析：解析：If only从语义和用法上都相当于I wish，后面的谓语动词用一般过去时表示目前的愿望，用过去完成时表示过去的愿望，用wouldcould do表示对将来期望。选项中首先可排除C和D。而A项would侧重指人的意愿，B项could是指人的能力。句子的意

30、思主要是指弹钢琴的能力，所以应该选择B。19._you_further problems with your printer, contact your dealer for advice.（分数：2.00）A.If, hadB.Have, hadC.Should, haveD.In case, had解析：解析：本句的主句使用了祈使句，而非虚拟，因此从句应理解成对真实情形的一种假设。A项使用一般过去时。是对现在或将来情况的虚拟，而if真实条件句应使用一般现在时表示将来，所以A不正确，应该使用if you have；B和C都省略了if，B项have had是对过去情况的虚拟，不正确；C项中的s

31、hould用在假设句中，加强语气，should have是对将来情况的假设，故C为正确答案；D项in case“万一，以防”引导的从句使用一般现在时或should+动词原形，不能用had。20.It was recommended that passengers _ smoke during the flight.（分数：2.00）A.notB.need notC.could notD.would not解析：解析：It is recommended that表明that从句需要使用虚拟语气，其形式为“should+动词原形”。其中should可以省略，故答案为A。21.If you have

32、 really been studying English for so long, its about time you _ able to write letters in English.（分数：2.00）A.should beB.wereC.must beD.are解析：解析：it is (about)time(that)是一个虚拟语气句型，所跟从句的谓语动词用一般过去式，故B项were为答案。22.I was to have made a speech if_.（分数：2.00）A.I was not called awayB.nobody would have called me

33、awayC.I had not been called awayD.nobody called me away解析：解析：waswere to have done sth表示“本来要做成的”，表示与过去事实相反，从句谓语动词应使用had done，所以应选C。23.Its getting late, Id rather you_now.（分数：2.00）A.leftB.leaveC.are leavingD.will leave解析：解析：would rather“宁愿”后接从句时，从句动词用一般过去式表虚拟，故答案为A。注意区分would rather其他两个惯用句式：would rathe

34、r do sth“宁愿做某事”：would rather dothan do“宁愿做而不愿做”。24.Its high time we _ cutting down the rainforests.（分数：2.00）A.stoppedB.had to stopC.shall stopD.stop解析：解析：It is (high) time (that)后面的从句谓语动词要用过去式或“should+动词原形”，且should不可省略，故A项stopped为答案。B项had to stop表示“一定要停止”，C项是将来时，D项动词原形，都不符合条件。25.If only the patient_

35、 a different treatment instead of using the antibiotics, he might still be alive now.（分数：2.00）A.had receivedB.receivedC.should receiveD.were receiving解析：解析：if only常常用来表达强烈的愿望或遗憾，由于“接受不同的治疗”与过去事实相反，所以用过去完成时，故A项had received正确。26.She seldom goes to the theatre, _?（分数：2.00）A.doesnt sheB.does sheC.would sheD.wouldnt she解析：解析：若陈述部分含有seldom，hardly，never，rarely，few，nothing，nowhere等否定词或半否定词，其反意疑问句部分要用肯定式。同时句中时态是一般现在时，故选B。