【正文】 案】 B 12．_____________ she is a very busy woman, she helps the boy. A.B.C.D.A： Although，雖然，表示轉(zhuǎn)折關(guān)系。C： However，然而，表示轉(zhuǎn)折。根據(jù)_____________ she is a very busy woman, she helps the ，她是個(gè)很忙的女人和她幫助那個(gè)男孩是轉(zhuǎn)折關(guān)系，但用在第一個(gè)句子前，只能是although，故選A。注意連詞的意思和區(qū)別，結(jié)合句意，選出正確答案。ifB.whileD.ll never give up. China dream can e true. —I think so. Let39。ButB.Or【答案】 B 【解析】【分析】句意：——我們應(yīng)該努力學(xué)習(xí)，我們就將永不放棄，這樣中國(guó)夢(mèng)可以實(shí)現(xiàn)。讓我們盡我們最大努力。根據(jù)題干可知，句子前后是并列關(guān)系，則應(yīng)用and，故答案選B。15．_____________ my brother arrived in Thailand, he visited the local biggest temple at once. A.B.C.D.ll find it39。as a resulteven thoughas long asas far as【答案】 C 17．—The air pollution is terrible. —It will be worse ______ we take action to protect the environment.A.unlessC.when【答案】 B 18．He knows a lot, ________ he is just a child. A.thoughC.because【答案】 B 19．They waited ____ it was dark before leaving, ____ they didn39。since。B. asunless。D. because【答案】 B 20．The film is really exciting. the students their teacher is enjoying the film. A. andNot only。C. orNeither。AlthoughB.UnlessD.becausehoweveranywayunless【答案】 D 23．It won39。t be worried. A.B.C.D.WhenB.becauseD.andbutsofor【答案】 B 26．A ship is safe if it stays in a harbor. But this is not ________ it is built for. A.B.C.D.for介詞后面跟代詞作賓語(yǔ)。 【點(diǎn)評(píng)】考查連詞辨析。27．He asked me ___________I was busy with the test those days. A.ifC.What【答案】 B 【解析】【分析】句意：他問(wèn)我那些天我是否忙于考試。；；；“所……的”，在從句中作賓語(yǔ)。 【點(diǎn)評(píng)】考查連詞辨析。28．The writer walked slowly ______________ his bad leg. A.B.C.D.because、since和as都有因?yàn)榈囊馑?，都是連詞，后面接句子；because of因?yàn)?，介詞短語(yǔ)，后面不加句子。 【點(diǎn)評(píng)】考查連詞辨析和短語(yǔ)辨析，注意平時(shí)識(shí)記because、since、as和because of的區(qū)別。wheneverwhateverhowever【答案】 A 【解析】【分析】句意：——你還記得我們的小學(xué)老師嗎，劉老師？——是的，無(wú)論什么時(shí)候我們遇到困難，她總是鼓勵(lì)我們，給予我們支持。無(wú)論我們什么時(shí)候遇到困難，老師總是鼓勵(lì)我們，所以用whenever，故選A。30．— 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.whenC.after【答案】 C 【解析】【分析】句意：——自從中國(guó)建立三沙市以來(lái)，當(dāng)?shù)氐纳顥l件有了很大的改善。......之前；......時(shí)候；；......之后。 【點(diǎn)評(píng)】考查連詞辨析，首先識(shí)記連詞詞義，然后根據(jù)since引導(dǎo)時(shí)間狀語(yǔ)從句，從句用一般過(guò)去時(shí)，主句用現(xiàn)在完成時(shí)確定。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。Not only。B. norEither。D. and【答案】 A 【解析】【分析】句意：——你父親通過(guò)了駕照考試？——是的?！遥弧膊?；……要么，或者……或者；。【點(diǎn)評(píng)】考查連詞辨析。33．Please give me a call ________________ you e back. A.B.C.A： until直到......才（為止）； B： as soon as一......就...... C： while當(dāng)......時(shí)，后接