【正文】
unlesst able to lose weight _______________ you change your eating habits. A. 【點評】考查連詞,根據(jù)句意來選擇合適的連詞。very rich非常有錢和后面的doesn39。D.butB.and21.Mr. Smith is very rich, ________ he doesn39。除非有環(huán)保意識,否則環(huán)境將變得更糟,本句是unless引導的條件狀語從句,故答案選A。so that【答案】 A 【解析】【分析】句意:除非每個人有保護環(huán)境的意識,否則環(huán)境將會更糟糕。B.unless注意句子涉及到祈使句,and/or+陳述句的用法。 該句是祈使句,且句子前后是并列順承關(guān)系, 因此用and,故答案選D。and【答案】 D 【解析】【分析】句意:比爾,不要抽煙,那么你很快好起來。C.afterll get better soon. A. 【點評】考查連詞辨析,注意平時識記固定搭配,理解句意。;;;。D.C.B.since【答案】 A 18.Emily, you are playing video games again! Study hard, ______ you will fail in the ing exam. A.becausewhilewhen 【點評】考查連詞辨析,注意since連接的時間狀語從句,主句為現(xiàn)在完成時,從句為一般過去時。本句為時間狀語從句,主句為現(xiàn)在完成時,從句為一般過去時,因此使用since。since【答案】 D 【解析】【分析】句意:自從我的朋友十年前去了美國,我和我的朋友們就沒有見過面。C.ift seen each other ___________ she went to the USA 10 years ago. A.D.C.B.although【答案】 C 15.She got up very early that day __________ she could catch the first train. A.unlessso thatifand【答案】 C 14.Tom won39。C.thoughwhile【答案】 D 13.He is getting fat, _______________ he has decided to go to work on foot. A.C.ass father was cleaning the car _______________ his mother