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A.if B.though C.for D.since【答案】B【解析】句意:小杰克自己學會了做許多事情,盡管他只有四歲。A. if 如果; B. though 盡管 C. for 因為,為了; D. since自從;根據(jù)Little Jack has learned to do lots of things on his own , 和he is only four years ,所以用 though 引導讓步狀語從句;故選B24.I think he’s been drinking, _________ I’m not pletely sure.A.if B.though C.until D.a(chǎn)s【答案】B【解析】if “如果、是否”;though “雖然;盡管”;until是“直到……才……”;as “由于、因為”。由上句“我認為他一直飲酒”和下句“我不能完全確定”可知,兩者是讓步關(guān)系,用though引導讓步狀語從句。句意為“我認為他一直在飲酒,盡管我不恩給你完全確定?!究键c】考查連詞意義辨析。25.We didn’t start our discussion __________ everybody arrived.A.since B.if C.while D.until【答案】D【解析】考查not…until…的用法。句意:直到每個人都到了我們才開始討論。not…until…“直到……才……”;since“自……以來;既然,由于”;if“如果”;while“雖然,當……時候”。由句意可知選D。26.To make your DIY work perfect, you’d better not start ___________ you get all the tools ready.A.when B.while C.before D.a(chǎn)fter【答案】C【解析】【詳解】句意:為了讓你的DIY作品完美,你最好在你把所有的工具都準備好前不要開始。When當……的時候;while當……的時候;before 在……之前; after在……之后。所以選C。27.No matter ________________, you must follow the school rules.A.where are you B.what do you doC.who are you D.who you are【答案】D【解析】【分析】【詳解】句意:無論你是誰,你都應(yīng)該遵守學校的規(guī)章制度。此題考查狀語從句。根據(jù)語序用陳述語序,應(yīng)選D。28.(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。考點:考查連詞辨析。29.____it rained a lot, we enjoyed our holiday.A.Although B.Because C.Unless D.However【答案】A【解析】【詳解】句意“盡管雨下得很大,但是我們?nèi)匀幌硎芪覀兊募倨凇?。(引導讓步狀語從句);(引導原因狀語從句);(引導條件狀語從句);,但是(后加逗號)。根據(jù)句意可知,空前和空后之間表示讓步,用although,故選A。30.If the kids stay indoors all the time and get no exercise, they _________ weak.A.bee B.have bee C.will bee D.became【答案】C【解析】【詳解】句意:如果孩子們一直呆在室內(nèi)并且得不到鍛煉,他們將變得很虛弱。If引導的條件狀語從句主句用一般將來時,從句用一般現(xiàn)在時,結(jié)合語境故選C。