【文章內(nèi)容簡介】 A. have solved B. have been solving C. have to solve D. have to be solved 正確答案：D答案講解：分析句子結(jié)構(gòu)，主語such problems和謂語solve之間是被動關(guān)系，所以答案應(yīng)選D。“主語+ have to + be +.”的意思是“不得不被……”。句子的意思是：“這樣的問題不得不盡快解決?！?Her application for the position ____________ by the boss. A. was refusedB. was refusingC. refusedD. is refusing 正確答案：A答案講解：分析句子結(jié)構(gòu)，主語her application for the position和謂語refuse之間是被動關(guān)系，所以答案應(yīng)選A。句子的意思是：“她申請那個職位被老板拒絕了?！?7 The event ____________ at the time last year. A. happens B. happened C. is happened D. was happened 正確答案：B答案講解：動詞happen是不及物動詞，沒有被動語態(tài)；時間狀語at the time last year表明這件事發(fā)生在過去，應(yīng)該用一般過去時，所以答案為B。句子的意思是：“這件事發(fā)生在去年的這個時候?！?8 Much ____________ in the past few years. A. has done B. Did C. has been done D. was done 正確答案：C答案講解：主語much和動詞do之間是被動關(guān)系，時間狀語in the past few years是現(xiàn)在完成時的一個標志，所以正確答案是C。句子的意思是：“在過去的幾年中完成了很多事情?！? Because of the rainy day, the match ____________ A. has been putting off B. has put off C. put off D. has been put off 正確答案：D答案講解：主語the match和謂語put off之間是被動關(guān)系，應(yīng)用被動語態(tài)，所以答案為D。句子的意思是：“由于下雨，比賽被推遲了?！?Working hours in the United States ____________over the past 20 years. A. have increased B. increased C. were increasing D. have been increased 正確答案：A答案講解：increase在句中表示一種狀態(tài)而不是動作，所以不能用被動語態(tài)；根據(jù)時間狀語over the past 20 years，可知本句應(yīng)用現(xiàn)在完成時，表示過去發(fā)生的事情對現(xiàn)在的影響，所以答案為A。句子的意思是：“在美國過去的20年中，工作時間增加了。” 1Since puters were invented, it ____________ that they are indispensable for scientific research. A. thought B. has been thought C. is thinking D. had thought 正確答案：B答案講解：it在句中作形式主語，句子真正的主語是that引導的從句，而且it和think是被動關(guān)系，應(yīng)用被動語態(tài)，所以應(yīng)選B。句子的意思是：“自從計算機發(fā)明以來，人們就認為它們對科學研究而言是必不可少的?！?1He was told that after he graduated he ____________ by a pany. A. would be employed B. would get employedC. would be employingD. would employ 正確答案：A答案講解：主語he和謂語employ之間是被動關(guān)系，應(yīng)用被動語態(tài)，而get employed是比較口語化的一種被動語態(tài)，這種結(jié)構(gòu)中很少用by短語，所以答案為A。句子的意思是：“他被告知畢業(yè)后會被一家公司聘用?！?1The steps of progress in society ____________ of as having happened in a short time. A. must not think B. must not be thought C. must think D. thought 正確答案：B答案講解：主語the steps of progress in society和謂語think of之間是被動關(guān)系，應(yīng)用被動語態(tài)，所以應(yīng)選B。句子的意思是“不應(yīng)該認為社會進步的步伐會在短時間內(nèi)發(fā)生?！?1His wife told him that the kitchen ____________ cleaned by the sweeper. A. was being B. was getting C. has been D. got 正確答案：A答案講解：主語the kitchen和謂語clean之間是被動關(guān)系，應(yīng)該用被動語態(tài)。get +，這種結(jié)構(gòu)中很少用by短語，故可以排除B和D。主句是一般過去時，從句也應(yīng)用過去時態(tài)，故又可以排除C。所以，正確答案為A，這是過去進行時的被動語態(tài)結(jié)構(gòu)。句子的意思是：“他的妻子告訴他清潔工正在打掃廚房。” 1Owing to the snowstorm, the trip to the mountain ____________. A. has been canceling B. has canceled C. Canceled D. has been canceled 正確答案：D答案講解：the trip to the mountain和cancel 之間是動賓關(guān)系，所以這里應(yīng)該用被動語態(tài)，用be+，這里符合要求的只有D，因此正確答案應(yīng)該是D。 Unit 5 不定式 This pany was the first____________portable radios as well as cassette tape recorders in the world. A. producing B. to produce C. having produced D. produced 正確答案：B答案講解：本句需要動詞不定式來做后置定語，修飾the first, 所以應(yīng)選B。整句話的意思是：這家公司是世界上首家生產(chǎn)便攜式收音機和盒式磁帶錄音機的公司。 The purpose of new technology is to make life easier,____________it more difficult. A. not makingB. not makeC. not to makeD. nor to make 正確答案：C答案講解：本句需要動詞不定式來做與is to make life easier并列的表語，所以應(yīng)選C。整句話的意思是：新技術(shù)的目的是讓生活更輕松，而不是更困難。 Helen had to shout____________above the sound of the music. A. making herself hear B. to make herself hear C. making herself heard D. to make herself heard 正確答案：D答案講解：本句需要動詞不定式來做動詞shout的目的狀語，所以應(yīng)在B和D之間選擇。而“讓自己被別人聽到”應(yīng)該用heard，而不是hear，所以應(yīng)該選D。整句話的意思是：海倫不得不大聲喊，以使別人能在音樂聲中聽到她的聲音。 I don39。t know whether you happen____________, but I am going to study in the this September. A. to be heard B. to be hearing C. to hear D. to have heard 正確答案：D答案講解：根據(jù)句意，這里應(yīng)該用動詞不定式的完成時來表示“已經(jīng)聽說”，所以應(yīng)該選D。整句話的意思是：不知道你是不是已經(jīng)聽說了，反正我今年9月就要到美國留學了。 The news reporters hurried to the airport, only____________the film stars had left. A. to tellB. to be toldC. telling D. told 正確答案：B答案講解：本句中的only to do ，常在句中做結(jié)果狀語，表示很令人遺憾、失望或傷心的結(jié)果，所以應(yīng)從A和B中選擇。根據(jù)句意，the news reporter應(yīng)是動詞tell的賓語，所以應(yīng)該用動詞不定式的被動語態(tài)，故應(yīng)該選B。整句話的意思是：那位記者匆匆趕到機場，卻被告知那些影星已經(jīng)走了。 You were silly not ____________your car. A. to lock B. to have locked C. locking D. having locked 正確答案：B答案講解：本句需要動詞不定式來做原因狀語，并根據(jù)句意判斷，應(yīng)該用不定式的完成時，所以應(yīng)選B。整句話的意思是：你沒有鎖車，真傻。 The teacher asked us ____________ so much noise. A .don39。t makeB. not makeC. not makingD. not to make 正確答案：D答案講解：本句需要動詞不定式來做ask的直接賓語，并根據(jù)句意判斷，應(yīng)該用不定式的否定式，所以應(yīng)選D。整句話的意思是：老師讓我們不要這么吵。 An army spokesman stressed that all the soldiers had been ordered____________clear warnings before firing any shots. A. to issue B. being issued C. to have issued D. to be issued 正確答案：A答案講解：本句需要動詞不定式來做order的賓語，并根據(jù)句意判斷，不需要用不定式的被動式或完成式，所以應(yīng)選A。整句話的意思是：軍方發(fā)言人強調(diào)，已經(jīng)命令所有的士兵在開槍之前都必須發(fā)出明確的示警信號。 I39。d rather have a room of my own, however small it is, than____________a room with someone else. A. to share B. to have shared C. share D. sharing 正確答案：C答案講解：本句用的是would rather do sth. than do ，than后面的動詞不定式一般省去不定式符號to，所以應(yīng)選C。整句話的意思是：我寧愿要一間屬于自己的屋子，多小都行，也不愿和別人同住一個房間。 The bank is reported in the local newspaper____________ in broad daylight yesterday. A. robbedB. to have been robbedC. being robbedD. having been robbed 正確答案：B答案講解：本句需要動詞不定式來做主語the bank的補足語，并根據(jù)句意判斷，應(yīng)該用不定式的完成被動式，所以應(yīng)選B。整句話的意思是：據(jù)報道，那家銀行昨天在光天化日之下遭到了搶劫。 1A number of paintings in the castle are believed____________in a fire. A. being destroyed B. having been destroyed C. to be destroyed D. to have been destroyed 正確答案：D答案講解：本句需要動詞不定式來做主語a number of paintings的補足語，并根據(jù)句意判斷，應(yīng)該用不定式的完成被動式，所以應(yīng)選D。整句話的意思是：據(jù)稱，古堡中的一批油畫已經(jīng)在一場大火中被燒毀。 1The meeting ____________next week is sure to be a great success. A. to take place B. to be taken place C. to have taken place D. being taken place 正確答案：A答案講解：本句需要動詞不定式來做主語the meeting的后置定語，并根據(jù)句意判斷，不需要用不定式的完成式或被動式，所以應(yīng)選A。整句話的意思是：下周要開的會一定會取得圓滿成功。 1As a result of my laziness, I failed____________my work in