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cause C.since【答案】A【解析】句意:直到你告訴我,我才知道他是一位出名的科學(xué)家。A. until到…為止;B. because 因?yàn)?;C. since既然,因?yàn)?。本題考查固定句式not…until…直到……才。其用法是如果(主)句中的謂語(yǔ)是終止性動(dòng)詞,應(yīng)采用“not…until”結(jié)構(gòu),意為“到……時(shí)候才” 根據(jù)句子結(jié)構(gòu),結(jié)合選項(xiàng),故選A。13.If you don’t go to the meeting tomorrow, ________ ?A.he will, too B.he won’t, either C.he does, too D.he doesn’t either【答案】B【解析】【詳解】句意:如果明天你不去開會(huì),他也不去??疾闀r(shí)態(tài)。If引導(dǎo)時(shí)間狀語(yǔ)從句,遵循“主將從現(xiàn)”原則,從句是一般現(xiàn)在時(shí),所以主句要用將來時(shí),排除C和D,too意為“也”,用于肯定句句末,either意為“也”,用于否定句句末,排除A,故答案選B。14.I have to leave now __ I can catch the last bus.A.so that B.because of C.until D.a(chǎn)s soon as【答案】A【解析】試題分析:so that以便,所以;because of因?yàn)椋捎?;until直到;as soon as一……就……。句意:為了趕上末班車,我現(xiàn)在必須離開了。結(jié)合語(yǔ)境可知選A。考點(diǎn):連詞辨析點(diǎn)評(píng):連詞在句子中主要起聯(lián)系上下文的作用,他們之間的區(qū)別就是表示邏輯關(guān)系的不同,所以在解題時(shí)先要理解上下文含義,然后根據(jù)上下文邏輯關(guān)系選擇合適的連詞。連詞的用法都比較多,語(yǔ)義之間還有交叉,熟記其基本應(yīng)用規(guī)則,了解其區(qū)別,注意固定搭配對(duì)象,是做好此類題型的關(guān)鍵。15.—Betty, do you know if Tony ______ the photo petition?—He will, if he ______ his project on Australia.A.enters。 finishes B.enters。 will finishC.will enter。 finishes D.will enter。 will finish【答案】C【解析】【詳解】句意:貝蒂,你知道托尼是否要參加攝影比賽?他會(huì)的,如果他完成了有關(guān)澳大利亞的課題。問句中if引導(dǎo)的是賓語(yǔ)從句,翻譯為是否,前者問的是將來;答語(yǔ)是由if引導(dǎo)的條件狀語(yǔ)從句,所以遵循主將從現(xiàn)的原則,所以if之后用一般現(xiàn)在時(shí)。所以答案選C。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(guó)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.Little Jack has learned to do lots of things on his own , ______ he is only four years old.A.if B.though C.for D.since【答案】B【解析】句意:小杰克自己學(xué)會(huì)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(yǔ)從句;故選B18.________ jeans were invented ove