【正文】
rson __________ I can39。since。unless。since。ifB.whileD.s father was cleaning the car _______________ his mother was doing housework. A.asC.while【答案】 D 9.Study hard, _______ our parents will be disappointed. A.butC.because【答案】 C 10.She got up very early that day __________ she could catch the first train. A.B.C.D.eithers orboth andneither。D.althoughB.if【答案】 A 【解析】【分析】句意:一個近來的調(diào)查顯示44%的美國人想要使用無人駕駛車,盡管34%的人相信它們會讓道路更加危險。 【點評】考查連詞辨析,根據(jù)語境確定兩句的關(guān)系,選出合適的連詞。andB.unlessD.A: and又,和,表示順接; B: but但是,表示轉(zhuǎn)折; C: unless除非。根據(jù)interesting 和want to see,可知前后兩句是順接關(guān)系,要用and。根據(jù)前后句的關(guān)系,選擇正確的連詞。ifB.whenD.we put it into a fridge. A.B.C.D.if 如果;unless除非;as soon as一……就……while當(dāng)……的時候。 【點評】此題考查連詞辨析。16.My best friend and I haven39。whenB.althoughD.……時候;;;。故答案是D。17.Could you tell me __________the singer will e to our school or not? ifB.thatD. 【點評】考查固定搭配,注意whether...or not的用法。thoughB.butD.A盡管,B所以,C但是,D或者,根據(jù)遇到了困難還是繼續(xù)做這件事,可知是讓步狀語從句連詞though , 故選A。19.—When will the railway that connects the two cities open? —next year. Only halfbeen pleted. A. hasNot until。C. haveNot until。只完成了一半。 【點評】考查連詞和主謂一致。20._______________ you work harder, I39。ll do better in the ing exam. A.B.C.D.;......否則;;。 【點評】考查連詞辨析,首先識記連詞詞義,然后根據(jù)句意確定。t able to lose weight _______________ you change your eating habits. A.unlessC.since【答案】 B 【解析】【分析】句意:除非你改變你的飲食習(xí)慣,否則你不能減肥。除非改變飲食習(xí)慣,否則不會減肥,所以用unle