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ege students go to West China to help local people, ______ they may find a good job in big cities.A.because B.if C.a(chǎn)lthough D.a(chǎn)fter【答案】C【解析】【詳解】句意:許多大學(xué)生去中國西部幫助當(dāng)?shù)厝耍M管他們可能在大城市找到一份好工作。A. because因為;B. if如果;C. although盡管;D. after在……之后。句子Many college students go to West China to help local people和句子they may find a good job in big ,因此選擇although盡管;故選C。12.—Winter swimming is exciting, but one can’t do it ________ he or she has got some training. — Exactly! It can be dangerous.A.a(chǎn)fter B.unless C.if D.while【答案】B【解析】句意:——冬泳是令人興奮的,但除非他或她接受了一些訓(xùn)練,否則是不行的。 ——沒錯!這可能是危險的。A. after在……之后;B. unless 除非;C. if 如果;D. while當(dāng)……的時候。根據(jù)語境和句意可知用unless。故選B。13. ______ Mike didn’t win the race , he was still wearing a smile on his face.A.If B.Since C.Although D.Because【答案】C【解析】【詳解】句意:雖然邁克沒有贏了比賽,但是他臉上仍然帶著笑容。A. If 如果,引導(dǎo)條件狀語從句;B. Since 由于,引導(dǎo)原因狀語從句;C. Although 盡管,雖然,引導(dǎo)讓步狀語從句;D. Because 因為,引導(dǎo)原因狀語從句。根據(jù)句意,故選C。 14.I will go to the English club tomorrow I am too busy.A.since B.if C.unless D.until【答案】C【解析】【詳解】句意:明天我將會去英語俱樂部,除非我太忙。since自從;if如果;unless除非,如果不;until直到…時候。根據(jù)句意可知,這里表示的意思是“如果我不忙,我會…”,故應(yīng)選C。15.Did you call Sara back ? I didn’t need to ,_____ we’ll have a meeting together tonight.A.though . B.unless C.because D.if【答案】C【解析】【詳解】句意:——你給薩拉回電話了嗎?——我不需要給薩拉回電話,因為我們今晚一起有個會議??疾檫B詞辨析。though雖然,盡管;unless除非;because因為;if是否,如果。根據(jù)句意可知前后句是因果關(guān)系,故選C。16.“A white elephant” means something that is useless, ___________ it may cost a lot of money.A.unless B.until C.since D.a(chǎn)lthough【答案】D【解析】【詳解】句意:“白象”指的是無用的東西,盡管它可能要花很多錢??疾檫B詞辨析。A. unless除非,引導(dǎo)條件狀語從句;B. until直到……才……,引導(dǎo)時間狀語從句;C. since由于,引導(dǎo)原因狀語從句;D. although盡管,引導(dǎo)讓步狀語從句。根據(jù)句意,本句是讓步狀語從句,故選D。17.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(dāng)你遛狗時記得給狗拴上鏈子。好的,我不會讓他傷害其他人”。……才(引導(dǎo)時間狀語從句);B. 在……之后(引導(dǎo)時間狀語從句);……