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working hard. —I agree with you.A.if B.unless C.because D.when【答案】B【解析】【詳解】句意:——除非我們堅(jiān)持努力工作,我們不能成功。— —我同意你??疾檫B詞。;;;……時(shí)候,由于。根據(jù)句意可知選B。25.It was ______ lovely weather ______ we decided to spend the day on the beach.A.such a; that B.such; that C.such; as D.so; that【答案】B【解析】試題分析:句意:是那么好的天氣,以至于我們決定在沙灘上度過那一天的時(shí)光。so、such 區(qū)別:So,如此,那么,so+形容詞;such,如此,那么。such+(a/an)+(形容詞)+名詞,但名詞前有few,little,many,,故排除A,such…that…如此的……以至于……。結(jié)合句意,故選B??键c(diǎn):考查連詞的用法。26. ______ 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?yàn)?,引?dǎo)原因狀語從句。根據(jù)句意,故選C。 27.—Susan,what are the advantages of MP5 players?—Mom,they are smaller and lighter________they can be carried very easily.A.unlessB.ifC.untilD.so that【答案】D【解析】【詳解】句意:——Susan,MP5播放器的優(yōu)點(diǎn)是什么?——媽媽,他們更小、更輕,為的是方便攜帶。so that“為的是,以便”,表示目的;unless“除非”;if“如果”;until“直到”。由句意可知選D。28.There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.A.if B.unless C.because D.since【答案】B【解析】試題分析:句意:印度有越來越少的老虎。如果人類不停止為了虎皮和虎骨獵殺老虎,情況會(huì)繼續(xù)。,表示條件;,表示相反的條件;,表示原因;,表示時(shí)間的起點(diǎn);既然,表示原因?!叭绻弧蓖V?,情況會(huì)繼續(xù)。故選B??键c(diǎn):考查連詞的用法29.(題文)— Did you win the game yesterday?— Not really. ______we all tried our best, we lost it.A.If B.Though C.Unless【答案】B【解析】試題分析:句意:你昨天贏了比賽了嗎?沒有,我們都盡了最大努力,但是還是輸了比賽。A.If如果; B.Though雖然,盡管; C.Unless除非。根據(jù)句意故選B??键c(diǎn):考查連詞辨析。30.Chen Wei isn’t at school today ________ he is taking a robot petition in Shanghai.A.so B.because C.before D.if【答案】B【解析】試題分析:句意:陳煒今天不在學(xué)校因?yàn)樗谏虾⒓訖C(jī)器人競賽。so所以;because因?yàn)?;before在……之前;if如果。所以選B??键c(diǎn):考查連詞。