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1、Unit 15LearningGrammar1.单项填空1_ the help from the doctor, the little boy _ his life.A. Apart from; should have lostB. Without; could loseC. But for; would have lostD. Except for; would have lost答案与解析C句意：要不是有医生的帮助，小男孩就会失去生命了。B项表示对现在事实的假设； C项表示对过去事实的假设。but for“若没有；要不是”。2_ the weather _ fine! Otherwise,
2、 we have to put off our picnic again.A. On condition; is B. When; could beC. If only; could be D. As long as; is答案与解析C四个选项中只有if only可以引导虚拟语气，由题意知是对现在的虚拟，从句中的谓语动词用一般过去时即可。3If she had worked harder, she _.A. would succeed B. had succeededC. should succeed D. would have succeeded答案与解析D本题考查与过去事实相反的虚拟语气。
3、虚拟条件句动词用“had动词的过去分词形式”，主句用“wouldhave过去分词”形式。4If you were to do it, the result _ different.A. will be B. would beC. should be D. would have been答案与解析B本题考查与将来事实相反的虚拟语气。虚拟条件句动词用了“were to动词原形”，主句用“would动词原形”。5_ today, he would get there by Saturday.A. If he leaves B. Was he leavingC. Would he leave D. W
4、ere he to leave答案与解析D本题考查与将来事实相反的虚拟语气的省略与倒装。虚拟条件句省略if，同时把were移至主语前。Were he to leaveIf he were to leave。6_， I would not refuse his invitation.A. Were I you B. If I should be youC. If I was you D. If I had been you答案与解析A本题考查与现在事实相反的虚拟语气的省略与倒装。虚拟条件句省略if，同时又把were移至主语前。Were I youIf I were you。7_， everyth
5、ing would have been all right.A. He had been here B. Here he had beenC. Been here he had D. Had he been here答案与解析D本题考查与过去事实相反的虚拟语气的省略与倒装。虚拟条件句省略if，同时把had移至主语前。Had he been hereIf he had been here。8He hesitated for a moment before kicking the ball, otherwise he _ a goal.A. had scored B. scoredC. would
6、 score D. would have scored答案与解析D由otherwise和hesitated可知，是与过去事实相反的虚拟语气，故选D项。9Without the air to hold some of the suns heat, the earth at night _ too cold for us to live.A. would be freezing cold B. will be freezing coldlyC. would be frozen cold D. can freeze coldly答案与解析Awithout引出的是与现在事实相反的含蓄条件句，故选A项。
7、10 Dont you think it necessary that he _ to Miami but to New York? I agree, but the problem is _ he has refused to.A. will not be sent; thatB. not be sent; thatC. should not be sent; whatD. should not send; what答案与解析B因为necessary后面的从句要用“(should)动词原形”，排除选项A；因为he与send是被动关系，排除D项；答句中的表语从句中不缺任何句子成分，用that，
8、故选B项。值得说明的是， refused to后省略了be sent to New York。.阅读理解AA study of English learning problems was carried out among a total of 106 foreign students. It shows that most students considered understanding spoken English to be their biggest problem on arrival. This was followed by speaking. Writing increase
9、d as a problem as students discovered difficulties in writing papers that they were now expected to hand in. Reading remained as a significant (显著的) problem. The information gained helped us in determining where special attention should be paid in our course. Although many students have chosen to jo
10、in the course with a reasonable motivation (动机), we considered it important to note what seemed to encourage interest. Nearly all the students have experienced some kind of grammarbased English teaching in their own country. To use the same method would be selfdefeating because it might reduce motiv
11、ation, especially if it has failed in the past. Therefore a different method may help because it is different. A variety of activity was also seen as a way of maintaining (保持) or increasing motivation. Several years ago we had one timetable that operated throughout, but we soon found that both the s
12、tudents and the teachers lost interest by about halfway through the ten weeks. This led us to a major rethink, so finally we brought it into line with the expressed language needs of the students.1. What is the text mainly about? A. Foreign students have more problems. B. There are many ways to impr
13、ove English. C. Teaching should meet students needs. D. English learning problems should be studied again.答案与解析C主旨大意归纳题。由首段所阐述的学生学习英语面临的困难，到第二段首句及文章最后一句表达的含义推知，英语教学应满足学生的需要。2. Writing became a bigger problem when foreign students _.A. had to write their papersB. became better at speakingC. became le
14、ss interested in readingD. had fewer problems with listening答案与解析A细节理解题。文章的第一段第四句话“Writing increased as a problem as students discovered difficulties in writing papers that they were now expected to hand in.”可知。3We may infer from the last two paragraphs that _. A. different teaching methods should b
15、e used B. grammarbased teaching seems to be encouragingC. English courses are necessary for foreign students D. teaching content should be changed halfway答案与解析A细节推断题。依据为第二段最后一句“Therefore a different method may help because it is different.”和最后一段中的反面例子。4. The underlined word “it” in the last paragraph refers to _.A. rethink B. activityC. motivation D. timetable答案与解析D推断代词指代题。依据本段第二句“Several years ago we had one timetable that operated
