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館。A. if如果;B. because因?yàn)椋籆. until直到;D. whenever無論何時(shí)。根據(jù)上文the tourists didn39。t leave the hotel可知下文是直到雨停,not…until…表示直到……才。根據(jù)題意,故選C。41.Our world will get better and better each of us lives a greener life.A.before B.if C.though D.until【答案】B【解析】試題分析:句意:如果我們每一個(gè)人都過更綠色的生活,那么我們的世界將會(huì)變的越來越好。A. before在……之前,引導(dǎo)時(shí)間狀語從句;B. if 如果,引導(dǎo)條件狀語從句;C. though 盡管,雖然,引導(dǎo)讓步狀語從句;D. until直到……引導(dǎo)時(shí)間狀語從句。結(jié)合句意,故選B。考點(diǎn):考查連詞的用法。42.Some children prefer to eat sweet chocolate _____ it’s not good for their health.A.because B.if C.when D.though【答案】D【解析】【詳解】句意:有些孩子喜歡吃甜巧克力,雖然這對(duì)他們的健康不好。考查從屬連詞辨析。A. because因?yàn)?;B. if假如;C. when什么時(shí)候;D. though雖然、盡管。根據(jù)句子前后意思的對(duì)比,可知孩子喜歡吃甜巧克力和對(duì)健康不好兩者構(gòu)成一種讓步關(guān)系,表示盡管知道這樣做不好但仍然這樣去做,結(jié)合選項(xiàng)只有although有這種含義,后面引導(dǎo)一個(gè)讓步狀語從句,故答案選D。43.________ jeans were invented over 100 years ago, they39。re still in fashion today.A.Because B.If C.Although D.Since【答案】C【解析】【詳解】句意:盡管牛仔褲在100多年前就被發(fā)明了,現(xiàn)在他們?nèi)匀缓芰餍小?疾檫B詞辨析。A. Because 因?yàn)椋?B. If 如果; C. Although 盡管; D. Since自從。結(jié)合句意,牛仔褲被發(fā)明了100多年,現(xiàn)在仍然流行??芍昂蟊硎咀尣疥P(guān)系,故用連詞although,故選C??键c(diǎn):考查連詞的用法。44.I think he’s been drinking, _________ I’m not pletely sure.A.if B.though C.until D.a(chǎn)s【答案】B【解析】if “如果、是否”;though “雖然;盡管”;until是“直到……才……”;as “由于、因?yàn)椤?。由上句“我認(rèn)為他一直飲酒”和下句“我不能完全確定”可知,兩者是讓步關(guān)系,用though引導(dǎo)讓步狀語從句。句意為“我認(rèn)為他一直在飲酒,盡管我不恩給你完全確定?!究键c(diǎn)】考查連詞意義辨析。45.Chen Wei isn’t at school today ________ he is taking a robot petition in Shanghai.A.so B.because C.before D.if【答案】B【解析】試題分析:句意:陳煒今天不在學(xué)校因?yàn)樗谏虾⒓訖C(jī)器人競(jìng)賽。so所以;because因?yàn)椋籦efore在……之前;if如果。所以選B??键c(diǎn):考查連詞。46.The teacher speaks very loudly all the students can hear her.A.so that B.because C.since D.when【答案】A【解析】【詳解】句意:為了讓所有學(xué)生都能聽見她,老師講得非常大聲。A. so that 是固定詞組,引導(dǎo)目的狀語從句時(shí),表示“以便;為了”,從句中常使用can /could /may /might /will /would /should等情態(tài)動(dòng)詞或助動(dòng)詞,因此選A。B. because 意為“因?yàn)椤?;C. since 表示“自……以來,因?yàn)?,由于”;D. when 意為“當(dāng)……時(shí)”。老師大聲說話的目的是讓學(xué)生們都聽到,所以,B、C、D均不符合題意。47.I will call you as soon as he______ here.A.a(chǎn)rrive B.will arrive C.a(chǎn)rrives D.a(chǎn)rrived【答案】C【解析】【詳解】句意:他一到這里我就給你打電話。as soon as引導(dǎo)的時(shí)間狀語從句,遵循“主將從現(xiàn)”的原則,也就是當(dāng)主句是一般將來時(shí)態(tài)時(shí),從句用一般現(xiàn)在時(shí)態(tài),從句中的主語he是第三人稱單數(shù),動(dòng)詞要用三單形式,故答案為C。【點(diǎn)睛】“主將從現(xiàn)”說的是在含有時(shí)間狀語從句和條件狀語從句的主從復(fù)合句中,如果主句的時(shí)態(tài)是一般將來時(shí),那么從句要用一般現(xiàn)在時(shí)。時(shí)間狀語從句主要由as soon as, when, until等來引導(dǎo),條件狀語從句主要由if, unless來引導(dǎo)。如:I will tell him about it when he es. 他來的時(shí)候,我會(huì)告訴他這件事的。If it is fine tomorrow, we will go outing. 如果明天天氣好,我們就去郊游。48.He didn’t go to school yesterday _______ he was ill.A.because B.because of C.if D.so【答案】A【解析】【詳解】句意:他昨天沒去上學(xué),因?yàn)樗×?。本題的含義是昨天他沒有去上學(xué),“他病了”應(yīng)該是他沒上學(xué)的原因,because后跟原因從句,because of后跟單詞或短語,if如果后接條件狀語從句,so因此。故選A。49.- What’s your opinion about friends?- They are like books. We don’t need a lot of them they’re good.A.a(chǎn)s long as B.a(chǎn)s soon as C.so that D.a(chǎn)s if【答案】A【解析】【詳解】句意“關(guān)于朋友,你的觀點(diǎn)是什么?他們像書,只要他們好,我們不需要太多”。(引導(dǎo)條件狀語從句);……就……(引導(dǎo)時(shí)間狀語從句);,為的是(引導(dǎo)目的狀語從句);(引導(dǎo)方式狀語從句)。根據(jù)句意可知,譯為“只要他們好”,引導(dǎo)條件狀語從句,故選A。50.Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they_______meals.A.had B.will haveC.a(chǎn)re having D.were having【答案】C【解析】【詳解】句意:今天的年輕人沒有智能手機(jī)就活不下去。無論何時(shí)甚至在吃飯時(shí)他們都手里拿著手機(jī)。考查動(dòng)詞時(shí)態(tài)。while表示一段時(shí)間,后面使用進(jìn)行時(shí)態(tài),主句是一般現(xiàn)在時(shí),可知從句使用現(xiàn)在進(jìn)行時(shí);故答案C。