【正文】 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