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D 但是,故答案為A。D.C.B.her mother came into the room. A.注意識記各連詞意思。s difficult,我又喜歡,前后是讓不的關(guān)系,故選B。as【答案】 B 【解析】【分析】句意:——你更喜歡哪個科目?——我喜歡科學,盡管它很難。C.thoughs difficult.A. 【點評】考查連詞辨析,首先識記連詞詞義,然后根據(jù)since引導(dǎo)時間狀語從句,從句用一般過去時,主句用現(xiàn)在完成時確定。......之前;......時候;;......之后。after【答案】 C 【解析】【分析】句意:——自從中國建立三沙市以來,當?shù)氐纳顥l件有了很大的改善。C.when33.— The local living conditions(條件) have improved a lot ________________ China set up the city of Sansha. — And more and more people would like to go there for business.A.無論我們什么時候遇到困難,老師總是鼓勵我們,所以用whenever,故選A。however【答案】 A 【解析】【分析】句意:——你還記得我們的小學老師嗎,劉老師?——是的,無論什么時候我們遇到困難,她總是鼓勵我們,給予我們支持。whateverwhenever 【點評】考查連詞辨析和短語辨析,注意平時識記because、since、as和because of的區(qū)別。because、since和as都有因為的意思,都是連詞,后面接句子;because of因為,介詞短語,后面不加句子。D.C.B.31.The writer walked slowly ______________ his bad leg. A. 【點評】考查連詞辨析。 ;;;。D.thenB.butre learning English, use it, _________you39。注意if引導(dǎo)的條件狀語從句,時態(tài)根據(jù)主將從現(xiàn)原則。根據(jù)前后句句意可知,此處應(yīng)該是if引導(dǎo)的條件狀語從句,時態(tài)根據(jù)主將從現(xiàn)原則,故選A。and【答案】 A 【解析】【分析】句意: 如果明天下雨,我們該怎么辦?sincewhileif 【點評】考查連詞辨析,首先識記連詞詞義,然后根據(jù)句意確定。;;;。D.C.B.28.__________he won 500 million pounds prize, he still lived in a small flat. A.A如何,B如果不,C或者,C但是,根據(jù)你會錯過早班車的,可知此處是假設(shè)不及時行動,故是unless , 故選B。D.C.B.d better hurry. A.根據(jù)上下文的聯(lián)系確定所使用的連詞。A. what什么;B. how怎樣,表方式; C. why為什么,表原因; D. where在哪里,表地點;根據(jù)but的表達的句意轉(zhuǎn)折,可知造船的目的不是為了安全地停在港灣,由此推斷空格是表目的,for what=why,故選A。where【答案】 A 【解析】【分析】句意:如果船停在港灣里是安全的,但這不是它被造的目的。whyhowwhatD.asB.ift like western food. I seldom eat it ______________ to McDonald39。D.whenB.ifD.C.B.unless【答案】 D 23.—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.anywayhoweverbecauseD.neither…norB.both…andD.C.B.should be finished soon. A.However【答案】 A 20.This is the most important task C.Because because【答案】 B 19.____it rained a lot, we enjoyed our holiday. A.D.unless。 asB.since。because【答案】 B 18.They waited ____ it was dark before leaving, ____ they didn39。C.thoughwhen【答案】 D 17.He knows a lot, ________ he is just a child. A.C.until/【答案】 D 16.You will find it useful to learn to study by yourself _____ you go to college. A.C.or15.Although she is under great stress, ______ she always wears a smile on her face. A. 【點評】考查連詞辨析。A 兩者都;B 兩者中的任何一個,要么……要么……;C 兩者都不;D 三個或三個以