【正文】
成為一名科學(xué)家,但我想成為一名歌手。D.either。 but alsoB.both。注意疑問句的答語中對主句的省略。根據(jù)When did you know there would be an important meeting?此處對時間點提問,因此用表示直到某個時間,用于句首時,用until,不用till,故答案選C。While【答案】 C 【解析】【分析】句意:——你什么時候知道有一個重要的會議的?——直到珊迪今天早上給我打電話的時候才知道的。Not untilTillSince 【點評】考查連詞辨析,首先識記選項意思,然后根據(jù)句意確定。;......否則;......之后;。D.afterB.if20.You aren39。多喝水早睡覺就會感覺更好,前后句表示順承,所以用and,故選A。unless【答案】 A 【解析】【分析】句意:多喝水早睡覺,明天你將感覺更好。C.orll feel better tomorrow. A.注意識記各連詞含義及用法。根據(jù)句意,可知我選的是藍色的,紅色和黃色的都沒有選,故兩者都不喜歡,故選C。我認為這件藍色的不錯。D.C.B.. I think blue will be OK.A.18.—We have red and yellow Tshirt, which color do you like? —I39。last是持續(xù)動詞,提問持續(xù)動詞所持續(xù)的時間用how long,故排除B和D選項,until表示動作的持續(xù) , 故選C。When。How long。When。How long。 【點評】考查連詞辨析,注意or的用法。根據(jù)語境可知,此處表選擇,用or。D.butB.and 【點評】考查固定搭配,注意whether...or not的用法。D.thatB.ifwhile【答案】 D 15.Could you tell me __________the singer will e to our school or not? C.or14.You like football ___________ she likes reading. A. 【點評】考查連詞辨析。A: unless除非;B: until 直到……才(為止);C: although 盡管;D: if如果。D.althoughB.unless13.You39。A. 盡管;B. 因為;C. 如果,根據(jù)兩句的關(guān)系可知是讓步狀語從句,although:盡管,故選A。C.becauseHowever【答案】 B 12.A recent survey shows that 44 percent of Americans want to use selfdriving cars, _________ 34 percent believe that they will make the roads mote dangerous. A.AsAlthoughButnot only: but also【答案】 A 11.___________three fourths of the Earth39。 norC.B.but【答案】 A 10.You can take___________ the train___________ the bus there. It will take the same amount of time. A.C.b