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根據(jù)句意故選B。30.Could you give me some advice on travelling?Take a map with you _______ you have a guide or you know the city very well.A.if B.unless C.a(chǎn)lthough D.because【答案】B【解析】句意:你能給我一些關(guān)于旅行的建議嗎?如果沒(méi)有向?qū)Щ蛘邔?duì)城市不很了解,那么就隨身帶著一張地圖。結(jié)合句意,故選B。so、such 區(qū)別:So,如此,那么,so+形容詞;such,如此,那么??键c(diǎn):考查副詞的用法。A. if如果; B. because因?yàn)椋?C. unless除非; D. after在……之后,根據(jù)句意此題選C。考查連詞辨析,as if好像,even though盡管,as long as只要,as far as據(jù)……,根據(jù)句意,﹣﹣朋友就像書籍.﹣﹣是的,我們不需要太多只要他們品質(zhì)好.故選C.27.—I’m busy with my schoolwork these days.—That’s great! You won’t get good grades ______ you work hard.A.if B.becauseC.unless D.a(chǎn)fter【答案】C【解析】試題分析:句意:這些天我忙著學(xué)校工作。t need lots of them they are good.A.a(chǎn)s if B.even thoughC.a(chǎn)s long as D.a(chǎn)s far as【答案】C【解析】【詳解】句意:—朋友像書籍。根據(jù)句意,故選A。她喜歡和媽媽一起享用。句意:星期天羅斯在家做飯。故選B。24. 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。問(wèn)句中if引導(dǎo)的是賓語(yǔ)從句,翻譯為是否,前者問(wèn)的是將來(lái);答語(yǔ)是由if引導(dǎo)的條件狀語(yǔ)從句,所以遵循主將從現(xiàn)的原則,所以if之后用一般現(xiàn)在時(shí)。 finishes D.will enter。 finishes B.enters。and和;until直到;or或者、否則,but但是。句意:—會(huì)議已經(jīng)開始了嗎?—不,還沒(méi)有。故選C。”because引導(dǎo)原因狀語(yǔ)從句;when引導(dǎo)時(shí)間狀語(yǔ)從句;although引導(dǎo)讓步狀語(yǔ)從句;if引導(dǎo)條件狀語(yǔ)從句。21.______ many children like KFC, I think they’d better try not to eat it too often.A.Because B.When C.Although D.If【答案】C【解析】考查從句的知識(shí)?!汀ㄒ龑?dǎo)時(shí)間狀語(yǔ)從句);(引導(dǎo)條件狀語(yǔ)從句);(引導(dǎo)讓步狀語(yǔ)從句);,為的是(引導(dǎo)目的狀語(yǔ)從句)。20.I’m afraid ebooks might be bad for our eyes.Hmm, but they will be helpful for us_________we put them to good use.A.a(chǎn)s soon as B.a(chǎn)s long as C.even though D.so that【答案】B【解析】【詳解】句意“恐怕電子書對(duì)我們的眼睛有害。(引導(dǎo)時(shí)間狀語(yǔ)從句);B. 在……之后(引導(dǎo)時(shí)間狀語(yǔ)從句);……時(shí)候(引導(dǎo)時(shí)間狀語(yǔ)從句);(引導(dǎo)時(shí)間狀語(yǔ)從句)。……才19.Remember to keep the dog on a leash (狗鏈)________ you walk it, honey!Sure. I won’t let it hurt others.A.until B.a(chǎn)fter C.while D.since【答案】C【解析】【詳解】句意“寶貝,當(dāng)你遛狗時(shí)記得給狗拴上鏈子。not …until直到……才,結(jié)合句意,故選B。18.I didn