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rious ________________ we do something to save the Earth. A.whenC.unless【答案】 D 10.The film is really exciting. ______the students ______ their teacher is enjoying the film. A. andNot only。C. orNeither。WhenWhileBefore/【答案】 A 12.Little Kate went to school___________ it rained heavily yesterday. A.ifC.since【答案】 A 13.Some people waste food___________ others haven39。whileduringwhenwhich【答案】 A 14.—Why do many kids spend more time playing puter games? —Because their parents are _____ busy _____ they have little time to stay with their children. A.B.C.D.t wait until it is too late. A.B.C.D.不要等到太遲才行動(dòng)。根據(jù)句意只有A選項(xiàng)是正確的,其它選項(xiàng)翻譯不通,故選A。弄清每個(gè)連詞意思,根據(jù)語境和句意確定所使用的連詞。s difficult.A.thoughC.as【答案】 B 【解析】【分析】句意:——你更喜歡哪個(gè)科目?——我喜歡科學(xué),盡管它很難。s difficult,我又喜歡,前后是讓不的關(guān)系,故選B。注意識(shí)記各連詞意思。we put it into a fridge. A.B.C.D.if 如果;unless除非;as soon as一……就……while當(dāng)……的時(shí)候。 【點(diǎn)評(píng)】此題考查連詞辨析。18.— ________ will the meeting last? —we reach an agreement.A. Not untilB. Not untilC. UntilD. Till【答案】 C 【解析】【分析】句意:——會(huì)議會(huì)持續(xù)多久?——直到我們達(dá)成協(xié)議。 【點(diǎn)評(píng)】考查連詞,注意how long和until的用法?!狽o. It will be three days _______ I start my trip.A.asC.when【答案】 C 【解析】【分析】句意:——黎明,你明天動(dòng)身前往杭州旅行嗎?——不,三天后我才開始旅行。 【點(diǎn)評(píng)】考查連詞辨析,固定句式it be 段時(shí)間 before…。s a serious problem. We can39。Mr. Black es back. A.sinceC.so