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故選C。50.Nobody believes a 92yearold could run a marathon she passed the finishing line. People of all ages can challenge themselves.A.if B.since C.until【答案】C【解析】【詳解】句意:直到她通過終點(diǎn)線,沒有人相信一個(gè)92歲的老人能夠跑馬拉松。 will e D.es。 t know if Sam tomorrow.—Don39。48.I think you’ll miss the train ________ you hurry up.A.if B.a(chǎn)nd C.unless【答案】C【解析】【詳解】句意“除非你快點(diǎn),否則你將錯(cuò)過這個(gè)火車”。 around【答案】B【解析】【詳解】句意:昨天當(dāng)我回到家的時(shí)候,我的媽媽正在瀏覽一本雜志。and和;until直到;or或者、否則,but但是。故選B。be late for school上學(xué)遲到;get up起床。In用在一天中的上午,下午或晚上,用在季節(jié),月份。故選A。A. as soon as一……就……。 輪到我了嗎? 還沒。41. Talk to your teacher and you will get help ________ you have a problem.A.unless B.ifC.until D.so【答案】B【解析】試題分析:unless除非,如果不; if是否,如果;until直到;So因此。40.— What were you doing ______ I knocked at the door?— I was sleeping.A.unless B.onceC.when D.while【答案】C【解析】【詳解】試題分析:句意:-我敲門時(shí),你在做什么?-我在睡覺??疾檫B詞辨析題。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)”。unless如果不,除非,引導(dǎo)條件狀語從句;when當(dāng)……時(shí)候,引導(dǎo)時(shí)間狀語從句;even though盡管,引導(dǎo)讓步狀語從句;so that以便,因此,結(jié)果,引導(dǎo)目的或結(jié)果狀語從句。那太好了,除非你努力工作,否則你不會(huì)取得好成績??疾檫B詞。exciting是形容詞,前加so。-是啊,是如此的令人激動(dòng)以致于我永遠(yuǎn)也不會(huì)忘的。 such anC.How。根據(jù)句意及題干分析,第二空后是一個(gè)從句,A、B選項(xiàng)的中的to后要跟動(dòng)詞原形,所以排除。 that D.such。故選A。根據(jù)句意,故選C。A. until直到……; B. after在……之后;C. before在……之前;D. unless除非,rush into沖進(jìn),根據(jù)對句子的分析,可知在我能夠阻止她之前,她沖進(jìn)了雨中,故選擇C。29.________ I got back, I found my mother cooking for me.A.When B.Before C.Since D.Although【答案】A【解析】試題分析:When當(dāng)……時(shí);Before在……之前;Since由于,自從……以來;Although雖然,盡管。前因后果,后面是表原因的狀語從句,用because連接??疾檫B詞辨析。A. Because因?yàn)?,引?dǎo)條件狀語從句,前后句是因果關(guān)系;B. Since自從……以來,引導(dǎo)時(shí)間狀語從句;C. Although雖然,盡管,引導(dǎo)讓步狀語從句,前后句是轉(zhuǎn)折關(guān)系,although后面句子表示讓步條件;D. But但是,并列連詞,連接并列句,前后句轉(zhuǎn)折關(guān)系??键c(diǎn):考查時(shí)態(tài)的用法。 will e D.es。t tell me when he_______ . I39。才,是一個(gè)固定句型。24. Lucy knew nothing about it _____ her sister told her.A.because B.until C.if D.since【答案】B【解析】試題分析:句意:露西直到她姐姐告訴她才知道這件事。表示讓步。;……時(shí)候;;……時(shí)候。 but also不但…而且…連接兩個(gè)并列主語。 as 與…一樣;引導(dǎo)比較狀語從句;B. such。 that C.so。引導(dǎo)條件狀語從句用as long as只要。答語是條件狀語從句,根據(jù)句意結(jié)構(gòu)可知,需要unless連接,故選B。故選D。 C. unless除非。三、如果主句是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí),根據(jù)需要從句多用一般現(xiàn)在時(shí) 如:You should be quiet when you are in the reading room 在閱覽室時(shí)應(yīng)保持安靜 四. 如果if的條件狀語從句遇到變換間接和直接時(shí) , 祈使句應(yīng)用not to.... 如。根據(jù)題干We’ll go to the farm and help the farmers with the applepicking if it ,if引導(dǎo)的條件狀語從句,主句用將來時(shí),從句需用一般現(xiàn)在時(shí),句意是“明天不下雨”,rain是實(shí)意動(dòng)詞,主語是it,變否定用助動(dòng)詞doesn’t。結(jié)合語境:“____還有很多工作要做,人民政府不會(huì)讓人民失望的。15.“______ there’s still much work to be done, the people’s government will not let the people down.” Premier Li said on March 5 in Beijing.A.Because B.Unless C.If D.Although【答案】D【解析】句意:“盡管還有很多工作要做,人民政府不會(huì)讓人民失望的。本句是原因狀語從句,前果后因;根據(jù)句意結(jié)構(gòu)和語境,可知選A。13.Today, many people are in subhealth(亞健康), why?Yes. They are so tired long time ________ they are busy with their work and exercise little every day.A.because B.until C.though D.or【答案】A【解析】【詳解】句意:——今天,許多人處于亞健康狀態(tài),為什么?——是的。與so…that意思相同,但用法不同。結(jié)合語境可知,本句主語描述的是將來某時(shí)進(jìn)行的動(dòng)作,故用一般將來時(shí)態(tài)。 is B.doesn’t??疾檫B詞??疾閯?dòng)詞辨析。 at B.realize。此題考查連詞,A如果不;B盡管;C如果;D在之后。7.He has made great progress his mother is ve