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C. is changing正在改變,是現(xiàn)在進(jìn)行時(shí) D. changed改變了,是一般過去時(shí)。本句是現(xiàn)在完成時(shí)的典型句型,故選A。43.Mary is a kind girl. She often _______ her classmates with their homework.A.help B.helpsC.is helping D.helped【答案】B【解析】句意:瑪麗是一個(gè)善良的女孩,她經(jīng)常幫助她的同學(xué)做作業(yè)。根據(jù)often判斷,經(jīng)常性的動(dòng)作用一般現(xiàn)在時(shí),主語she是第三人稱單數(shù),因此動(dòng)詞要用三單形式,故答案為B。44.I think I _ my new project tomorrow.A.start B.started C.will start D.was starting【答案】C【解析】句意:我想我明天將要開始我的新項(xiàng)目。本題考查動(dòng)詞的時(shí)態(tài)。A. start 開始,是動(dòng)詞原形 B. started 開始,是動(dòng)詞的過去式 C. will start 將要開始,是動(dòng)詞的將來時(shí) D. was starting就要開始,是過去將來時(shí)。根據(jù)句意選C。45.— The boy misses his parents very much.— So he does. They _________ the hometown for nearly two years.A.have left B.has left C.have been away from D.will leave【答案】C【解析】【詳解】句意:——那個(gè)男孩非常想念他的父母?!拇_是。他們離開家鄉(xiāng)幾乎兩年了。leave離開,是短暫性動(dòng)詞,不與時(shí)間段連用;be away離開,與時(shí)間段連用。此處接時(shí)間段for nearly two years連用,故用延續(xù)性動(dòng)詞,故選C。46.We’re not sure _______ there’ll be _______ or not tomorrow.A.if。 rains B.if。 rainy C.whether。 raining D.whether。 rain【答案】D【解析】句意:我們不確定明天是否會(huì)下雨??疾檫B詞辨析和動(dòng)詞時(shí)態(tài)辨析。if和whether表示“是否”可換用,但和or not連用時(shí)需用whether,可排除AB兩項(xiàng)。tomorrow用于一般將來時(shí),be raining是進(jìn)行時(shí)結(jié)構(gòu),可排除。根據(jù)句意結(jié)構(gòu),可知選D。47.Before O39。Shea hosted the Joy FM program in Beijing. He_____in Hongkong for ten years.A.works B.has worked C.had worked D.would work【答案】C【解析】句意:O39。Shea在北京主持Joy FM節(jié)目前,他在香港工作了10年了。根據(jù)Before O39。Shea hosted the Joy FM program in Beijing和for ten ;故選C48.—You look unhappy. What’s wrong?—No one ______ me when I was in America. Maybe they all forgot me.A.phoned B.phones C.has phoned D.had phoned【答案】A【解析】句意:你看起來不開心,怎么了?當(dāng)我在美國(guó)的時(shí)候沒有人給我打電話,可能他們都忘了我吧!題干有過去的時(shí)間狀語when I was in America,需要用一般過去時(shí)態(tài)用來描述過去的一個(gè)動(dòng)作。故選A。49.―When did she leave? ―As if it was 3:30. She for about 2 hours.A.has been away B.left C.has left【答案】A【解析】句意:―她什么時(shí)候離開的?―好像在3:30。她離開了大約2個(gè)小時(shí)。根據(jù)for about 2 ,而且用現(xiàn)在完成時(shí)。所以選A。點(diǎn)睛:短暫性動(dòng)詞在現(xiàn)在完成時(shí)態(tài)的肯定句中不能與表示一段的時(shí)間狀語連用,如句子中的left為短暫性動(dòng)詞,另外還要記住幾個(gè)常見的短暫性動(dòng)詞與延續(xù)性動(dòng)詞的轉(zhuǎn)化:borrow→keep, buy→have, get/catch a cold→have a cold ,die→be dead, open→be open,end/finish → be over,begin/start→ be on, leave→be away, e→be in/here等。如:His fatherdied10 years ago.=His father hasbeen deadfor 10 years。Iboughtthis pen 3 years ago. = Ihave hadthis pen for 3 years.50.We will go to Tian’anmen Square to watch the raising of national flag if it _________ tomorrow.A.will rain B.rainsC.doesn’t rain D.won’t rain【答案】C【解析】試題分析:句意:如果明天不下雨我們要去天安門廣場(chǎng)看升國(guó)旗。根據(jù)句意及題干分析if引導(dǎo)的是條件狀語從句,主句是一般將來時(shí)態(tài),根據(jù)“主將從現(xiàn)”原則,if從句中應(yīng)用一般現(xiàn)在時(shí)態(tài),根據(jù)句意是“不下雨”,所以選C。【考點(diǎn)定位】考查動(dòng)詞的時(shí)態(tài)。51.—Where is Mrs. Wu? —She _______ the countryside to be a volunteer teacher. She will stay there for a year.A.has been to B.came to C.has gone to D.has e to【答案】A【解析】【詳解】句意:——吳太太在哪里?——她到農(nóng)村去當(dāng)一名志愿者教師。她將在那里呆一年??疾楝F(xiàn)在完成時(shí)態(tài)。go去,e來;都是短暫形動(dòng)詞;e與句意不合,可排除BD兩項(xiàng)。has been to 曾經(jīng)去過某地,現(xiàn)在已經(jīng)回來了;has gone to 曾經(jīng)去過某地,到現(xiàn)在還沒有回來。根據(jù)She will stay there for a year.,可知選A。52.—_____ you _____ your homework yet?—Yes, I _____ it ten minutes ago.A.Did。 do。 finished B.Have。 done。 have finishedC.Have。 done。 finished D.Will。 do。 finish【答案】C【解析】試題分析:句意:你做你的家庭作業(yè)了嗎?是的,十分鐘前我就完成了。根據(jù)yet結(jié)合句意可知前一句該用現(xiàn)在完成時(shí);根據(jù)ten minutes ago可知后一句該用一般過去時(shí)。所以選C??键c(diǎn):考查現(xiàn)在完成時(shí)與一般過去時(shí)。53.My grandma _______ to the radio when I got home just now.A.listens B.listened C.is listening D.was listening【答案】D【解析】句意:我剛才到家的時(shí)候我的奶奶正在聽廣播。結(jié)合語境理解可知,當(dāng)我到家這一時(shí)刻,另一個(gè)動(dòng)詞正在進(jìn)行,when引導(dǎo)的時(shí)間狀語從句是一般過去時(shí),主句表達(dá)的是過去正在進(jìn)行的動(dòng)作,故句子的時(shí)態(tài)為過去進(jìn)行時(shí),答案為D。54.I’ll ring you up as soon as he .A.a(chǎn)rrive B.a(chǎn)rrives C.will arrive D.a(chǎn)rrived【答案】B【解析】句意:他一到我就給你打電話。在as soon as引導(dǎo)的時(shí)間狀語從句中,當(dāng)主句是將來時(shí)的時(shí)候,從句用一般現(xiàn)在時(shí)表示將來。he為單數(shù),所以謂語用第三人稱單數(shù)。故選B。55.—Could you please tell meyesterday?—In the bookshop nearby.A.Where you bought the book B.Where you buy the bookC.Where did you buy the book D.Where do you buy the book【答案】A【解析】句意:——你能告訴我你昨天在哪里買的書嗎?——在附近的書店??疾橘e語從句。根據(jù)Could you please tell me可知本題考查賓語從句,賓語從句的語序要用陳述語序,所以排除C、D選項(xiàng);又因?yàn)樘崾驹~yesterday可知時(shí)態(tài)用一般過去時(shí),而B選項(xiàng)用的是一般現(xiàn)在時(shí),所以排除;故答案選A。56.Don’t go out! It __________now.A.rains B.will rain C.is raining D.was raining【答案】C【解析】句意:不要出去了,現(xiàn)在在下雨。根據(jù)now可知用現(xiàn)在進(jìn)行時(shí)態(tài);故選C57. Do you know ________ this afternoon? I39。m not sure, but I39。ll tell you as soon as she_________.A.how will Betty arrive。 starts B.how Betty will arrive。 will startC.what time will Betty arrive。 will start D.what time Betty will arrive。 starts【答案】D【解析】試題分析:句意: 你知道貝蒂今天下午幾點(diǎn)到嗎嗎? 我不知道,但她一出發(fā)我就盡快告訴你。在賓語從句中只能用陳述句語序,可根據(jù)表達(dá)需要選用動(dòng)詞時(shí)態(tài)。但在含有時(shí)間狀語從句的主從復(fù)合句中要遵循主將從現(xiàn)的原則。所以選D。考點(diǎn):考查從句中的動(dòng)詞時(shí)態(tài)。58.Mr. King a lot about Chinese culture since he came to Beijing.A.has learnt B.will learn C.learns D.learnt【答案】A【解析】句意:自從金先生來北京,他學(xué)了很多中國(guó)文化。A. has learnt 學(xué)習(xí),用于現(xiàn)在完成時(shí)態(tài) ,主語單三時(shí); B. will learn 學(xué)習(xí),用于一般將來時(shí)態(tài); C. learns 學(xué)習(xí),用于一般現(xiàn)在時(shí)態(tài),主語單三時(shí); D. learnt學(xué)習(xí),用于一般過去時(shí)態(tài);根據(jù)since he came to ;故選A59.—Tomorrow my dad a big dinner for my birthday party.—Sounds great!Have a good time.A.cooks B.was cooking C.cooked D.will cook【答案】D【解析】【詳解】句意:明天我爸爸要為我的生日聚會(huì)做一頓大餐。聽起來很好,祝你過的愉快。根據(jù)tomorrow可知,句子應(yīng)該用一般將來時(shí)。其謂語動(dòng)詞的形式:will+動(dòng)詞原形。故選D。60.Peter and Linda Beijing for Shanghai yesterday afternoon.A.leave B.left C.a(chǎn)re leaving D.will leave【答案】B【解析】【詳解】句意:昨天下午Peter和 Linda離開北京去上海了。短語leave +某地+for+某地“離開某地去某地”根據(jù)yesterday afternoon可知,句子應(yīng)該用一般過去時(shí),故選B。