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ince【答案】B【解析】句意:小杰克自己學(xué)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?yàn)?,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(dǎo)讓步狀語從句;故選B25.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?yàn)椤?。由上句“我認(rèn)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(dǎo)讓步狀語從句。句意為“我認(rèn)為他一直在飲酒,盡管我不恩給你完全確定?!究键c(diǎn)】考查連詞意義辨析。26.—His handwriting is very careful.—Yeah. With the help of him, his sister writes as ________ as him.A.care B.carefulC.more carefully D.carefully【答案】D【解析】試題分析:句意:——他的書寫非常認(rèn)真?!堑摹T谒膸椭?,他的妹妹寫得和他一樣認(rèn)真。care關(guān)心,是動詞;careful認(rèn)真的,是形容詞;more carefully更認(rèn)真地;carefully認(rèn)真地。as+形容詞的原級+as“和……一樣”,修飾動詞write,故用副詞carefully,故選D??键c(diǎn):考查副詞的用法。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. Tom failed in the exam ag ain ______ he tried his best.A.if B.unless C.though D.because【答案】C【解析】試題分析:句意:盡管他盡了最大努力,湯姆在考試中又不及格。if是否,如果;unless除非,如果不;though雖然,盡管;because因?yàn)?。故選C。【考點(diǎn)定位】考查連詞辨析29.They didn39。t go to bed_____ the work was finished.A.when B.while C.until D.a(chǎn)fter【答案】C【解析】【詳解】句意:他們直到工作完成才睡覺??疾檫B詞。when當(dāng)……時候,可表示時間段或時間點(diǎn),一般主句使用過去進(jìn)行時,從句使用一般過去時;while當(dāng)……時候,而;until直到;after在……以后。短語“not… until…”:直到……才……;結(jié)合句意可知選C。30.Is your WeChat account (賬戶) safe?Yes, even my father can39。t use it __________ I tell him the password.A.when B.unless C.while D.if【答案】B【解析】【詳解】句意:你的微信賬號安全嗎?是的,如果我不告訴他密碼甚至我的爸爸都不能使用它。when當(dāng)…時候;unless除非,如果不;while當(dāng)…時候;if如果。根據(jù)句意my father can39。t use it…可知,這里應(yīng)表示“不告訴他密碼”,故應(yīng)選B。