【正文】
考查連詞辨析。A 因為;B 當……時候;C 為了;D 似乎;故選C。not…until…“直到……才……”;since“自……以來;既然,由于”;if“如果”;while“雖然,當……時候”??键c:考查連詞的用法。因此,本題的最佳選項是A。結(jié)合句意,牛仔褲被發(fā)明了100多年,現(xiàn)在仍然流行。故選C。根據(jù)句意可知,譯為“只要他們好”,引導(dǎo)條件狀語從句,故選A。第一個空后came back是瞬間性動詞,故不能用while引導(dǎo),排除A??疾檫B詞用法。;不到時候;D. since自從。t know the love of our parents _______ we bee parents ourselves one day.A.untilB.a(chǎn)fterC.whenD.since【答案】A【解析】句意:直到有一天我們成為父母,才知道父母的愛。A.Unless除非,相當于if not,表條件;B.When當……的時候;C.If如果,表條件;D.Since自從。If引導(dǎo)時間狀語從句,遵循“主將從現(xiàn)”原則,從句是一般現(xiàn)在時,所以主句要用將來時,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。6.—Did you catch what our teacher said just now?—Of course. He said that nothing will live in the world _____ there is any water.A.if B.unless C.a(chǎn)lthough【答案】B【解析】【詳解】句意:——你明白我們老師剛才說的話了嗎?——當然。A. e動詞原形; B. es第三人稱單數(shù)形式; C. will e一般將來時態(tài); D. is ing現(xiàn)在進行時態(tài),此句是when引導(dǎo)的時間狀語從句,遵循主將從現(xiàn)的原則,此空應(yīng)填謂語動詞的第三人稱單數(shù)形式,此空故填es。根據(jù)前后文之間的“讓步”關(guān)系可知,選用although。故選:B。4.China Dream will be able to e true we try our best.A.unless B.until C.a(chǎn)lthough D.a(chǎn)s long as【答案】D【解析】【詳解】句意:只要我們盡全力,中國夢將會實現(xiàn)。他說世界上沒有水就沒有生命。8.___________ she couldn’t see his face, she could tell by his voice that he was young.A.Unless B.If C.Because D.Though【答案】D【解析】【詳解】句意:雖然她看不見他的臉,但是她能夠通過聲音分辨出他很年輕。根據(jù)I enjoy fresh air so always sleep with the window open 可知除非真的很冷否則總是讓窗戶開著,unless符合題意,故選A。本題考查連詞。 從…以來。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……。look through瀏覽;look around向四周看,根據(jù)句意可知應(yīng)該是“瀏覽雜志”,故選B。16.You will never achieve success _____you devote yourself to your work.A.a(chǎn)fter B.if C.because D.unless【答案】D【解析】句意:除非你把自己專心于你的工作,否則你將永遠不會成功。19.﹣Friends are like books.﹣Yes,we don39。可知前后表示讓步關(guān)系,故用連詞although,故