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昨晚演奏的音樂家從小就學(xué)會了演奏二胡。 was D.learned。根據(jù)句意結(jié)構(gòu)和語境,可知選A?!獎e提了。28.Our head teacher often says, "You will not pass the exam ___________ you work hard."A.if B.unless C.since D.when【答案】B【解析】句意:我們的班主任常說:如果你們不努力學(xué)習(xí),你們就通不過考試??键c:考查原因狀語從句的連詞 ??键c:考查連詞辨析26.The two panies decided to work together ______ they had mon interest.A.because B.unless C.but D.or【答案】A【解析】【詳解】試題分析:句意:這兩家公司決定合作,因為他們有共同的利益。根據(jù)句意可知選B。24.—We can’t be successful ________ we keep working hard. —I agree with you.A.if B.unless C.because D.when【答案】B【解析】【詳解】句意:——除非我們堅持努力工作,我們不能成功。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.23.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,雖然這對他們的健康不好。故選B。21.Did you catch what the teacher said?No. She spoke so fast _______ I couldn’t hear her very clearly.A.which B.that C.when D.since【答案】B【解析】考查從句的連接詞。20.Helen was very rude to me. I refuse to speak to her again __________ she says sorry.A.until B.if C.because D.since【答案】A【解析】【詳解】句意:海倫對我粗魯,我拒絕跟她再次說話,直到她向我道歉為止。A. because因為;B. until直到;C. if如果。Amyt……就……(引導(dǎo)時間狀語從句);(引導(dǎo)條件狀語從句);(引導(dǎo)讓步狀語從句);,為的是(引導(dǎo)目的狀語從句)。17.He has made great progress his mother is very pleased with him.A.so;that B.enough;to C.so;too D.such;that【答案】D【解析】【詳解】句意:他已經(jīng)取得了如此大的進步以至于他的媽媽對他非常滿意。 because【答案】B【解析】【詳解】句意:那個故事是如此有趣以至于每個人非常喜歡它。16.The story is interesting everybody likes it very m