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分析:句意:一放假,我們家總是去一些有趣的地方。A. as soon as一……就……。表示時(shí)間;B. so因此。表示結(jié)果;C. so that 以便,為了,表示目的;D. even though盡管,即使,表示條件。假期開始,指時(shí)間,用as soon as:一放假就去參觀有趣的地方。故選A??键c(diǎn):考查連詞辨析。25.— 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。A.unless如果不,除非;引導(dǎo)條件狀語從句;B.once一旦……,引導(dǎo)條件狀語從句;C.when當(dāng)……時(shí),表示兩個(gè)動(dòng)作同時(shí)發(fā)生,主句一般使用過去時(shí),從句使用過去進(jìn)行時(shí);D.while當(dāng)……時(shí),表示兩個(gè)動(dòng)作同時(shí)發(fā)生,后跟延續(xù)性動(dòng)詞,從句一般使用進(jìn)行時(shí)態(tài),表示一段時(shí)間。本題表示“當(dāng)……時(shí)”,knock是非延續(xù)性動(dòng)詞,故選C??键c(diǎn):考查連詞辨析。26.________ 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?。考查連詞辨析。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。考點(diǎn):考查連詞的用法。27.—Excuse me. Is it my turn now?—Not yet. Please wait on the chair ________ your name is called.A.a(chǎn)nd B.until C.a(chǎn)lthough D.since【答案】B【解析】試題分析:句意:請(qǐng)問,現(xiàn)在輪到我了嗎?還沒有,請(qǐng)坐在椅子上直到叫你。 A. and 和;B. until直到; C. although 盡管;D. since自從。根據(jù)句意故選B??键c(diǎn):考查連詞的用法。28.Lots of people exercise every morming_________bad weather stops them.A.if B.unless C.until D.since【答案】B【解析】考查連詞詞義辨析。A. if“如果”;B. unless“除非;如果不”;C. until“直到”;D. since“自從;既然”。句意:很多人每天早晨鍛煉 _______ 惡劣的天氣阻攔他們。結(jié)合選項(xiàng)的意思和句意可知,用unless。故選B。29.—Jack, remember ______ off the lights when _______your bedroom.OK, I won’t forget, Mom.A.turning。 leaving B.to turn。 leave C.turning。 left D.to turn。 leaving【答案】D【解析】【詳解】句意:——杰克,記得離開臥室時(shí)把燈關(guān)掉。——好吧,媽媽,我不會(huì)忘記的??疾榉侵^語動(dòng)詞。上一句句意:杰克,離開臥室時(shí)記得關(guān)燈。remember to do (未做);remember doing (已做)。when doing 。故選D。30.Pandas are facing danger!The situation won’t change humans stop killing.A.unless B.though C.if D.a(chǎn)fter【答案】A【解析】試題分析:句意:熊貓面臨危險(xiǎn)。如果人們不停止殺害熊貓,形勢(shì)不會(huì)改變。此題考查連詞,A如果不;B盡管;C如果;D在之后。根據(jù)句意,應(yīng)選A??键c(diǎn):考查連詞。