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e game _______ they try their best.A.unless B.once C.since D.a(chǎn)fter【答案】A【解析】【詳解】試題分析:句意:他們會輸?shù)舯荣惖?,除非他們盡自己最大的努力。lose the game 輸?shù)舯荣悾瑃ry one’s best 盡最大的努力。 A. unless 除非; B. once 一次;C. since 因為; D. after 在…之后,根據(jù)題意可知此句是unless引導的條件狀語從句,故選A。13.Remember to keep the dog on a leash (狗鏈)________ you walk it, honey!Sure. I won’t let it hurt others.A.until B.a(chǎn)fter C.while D.since【答案】C【解析】【詳解】句意“寶貝,當你遛狗時記得給狗拴上鏈子。好的,我不會讓他傷害其他人”?!牛ㄒ龑r間狀語從句);B. 在……之后(引導時間狀語從句);……時候(引導時間狀語從句);(引導時間狀語從句)。根據(jù)句意可知,譯為“當遛狗時”,故選C。14.Many people do not realize the importance of health ______ they have fallen ill.A.until B.while C.when D.a(chǎn)fter【答案】A【解析】試題分析:句意:一些人直到失去了健康才意識到它的重要性。本題考查的是not…until 句型,“直到……才”。For為了;but 但是;as 作為。故選A??键c:考查連詞的用法。15.Has the meeting begun yet?Not yet. We have to wait everyone is here.A.a(chǎn)nd B.until C.or D.but【答案】B【解析】【詳解】考查連詞用法。句意:—會議已經(jīng)開始了嗎?—不,還沒有。我們必須等到大家都到齊了。and和;until直到;or或者、否則,but但是。根據(jù)題干可知我們得等到大家都到了,這里表示直到……時候用until.故選B.16.Lin Shuhao is ________ famous ________ all the basketball fans in China knows him.A.too, to B.enough, to C.so, that D.a(chǎn)s, as【答案】C【解析】【詳解】句意:林書豪如此出名以至于在中國所有的籃球迷都知道他??疾檫B詞用法。too+形容詞或副詞+to do sth.:太……而不能;enough+形容詞/副詞+to do sth.:足夠……以至于……;so+形容詞/副詞+that+句子:如此……以至于……;as…as:與……一樣……。故選C。17.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??疾檫B詞辨析。until 直到……才;if 如果;because 因為;since 自從,既然。結合句意可知,此句是until引導的時間狀語從句,故答案選A。18.Did you catch what the teacher said?No. She spoke so fast _______ I