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___ they are alive. Don39。whilethoughbecauseunless【答案】 A 【解析】【分析】句意:當你父母活著時愛他們。while當……時候;though雖然;because因為;unless除非,故選A。 【點評】此題考查連詞辨析。11.Some people waste food___________ others haven39。whileduringwhenwhich【答案】 A 12.— ________ will the meeting last? —we reach an agreement.A. Not untilB. Not untilC. UntilD. Till【答案】 C 【解析】【分析】句意:——會議會持續(xù)多久?——直到我們達成協(xié)議。 【點評】考查連詞,注意how long和until的用法。WhenWhileBefore/【答案】 A 14.— Since you have one ticket left, ____ my sister_____ I will go with you. — Oh, I39。both。B. orneither。D. but also【答案】 B 【解析】【分析】句意:——哦,我真的很抱歉,那下次呢?根據(jù)只剩下一張票,可知只能去一個人,A兩個都,B兩個都不,C兩者之一,D不但而且,故選B。15.I don39。s with my daughter. A.whenC.unless【答案】 D 16.He is getting fat, _______________ he has decided to go to work on foot. A.thoughC.and【答案】 C 17.The situation is being more serious ________________ we do something to save the Earth. A.whenC.unless【答案】 D 18.Tom39。althoughB.sinceD.becauseB.thoughD.ifB.whileD.HoweverB.OtherwiseD.whenB.unlessD.howeverB.andD.whichwhatthat/【答案】 C 25.Little Kate went to school___________ it rained heavily yesterday. A.ifC.since【答案】 A 26.A ship is safe if it stays in a harbor. But this is not ________ it is built for. A.B.C.D.for介詞后面跟代詞作賓語。 【點評】考查連詞辨析。27.__________he won 500 million pounds prize, he still lived in a small flat. A.B.C.D.;;;。 【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。ifwhilesinceand【答案】 A 【解析】【分析】句意: 如果明天下雨,我們該怎么辦?根據(jù)前后句句意可知,此處應該是if引導的條件狀語從句,時態(tài)根據(jù)主將從現(xiàn)原則,故選A。注意if引導的條件狀語從句,時態(tài)根據(jù)主將從現(xiàn)原則。thatB.whyD.根據(jù)從句是一個完整的句子,且根據(jù)主句中的asked可知,此處應該是表示是否,故選B。注意賓語從句連接詞的使用規(guī)則。ifwhenbeforeunless【答案】 D 【解析】【分析】句意:科學家說,除非我們保護水資源,否則我們將沒有水喝。除非保護水資源,否則我們沒有水喝,所以用unless,故選D。31.— Do you still remember our primary school teacher, Mrs. Liu? — Yes, she always encouraged us and gave us support ______________ we met difficulties.A.B.C.;;。 【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。beforeB.sinceD.——越來越多的人想去那里做生意。根據(jù)主句The local living conditions(條件) have improved a lot可知時態(tài)是現(xiàn)在完成時,從句China set up the city of ,所以用since,引導時間狀語從句,從句用一般過去時,主句用現(xiàn)在完成時,故選C。33.— How do you like the two pairs of shoes? — They don39。not only。B. noreither。它們不是太大就是太小?!?;……也不;……要么。 【點評】考查并列連詞辨析。34.— Jack, have you done the survey? — Not yet. I am in New York now. I39。as soon aswheneverbefore【答案】 A 【解析】【分析】句意:——杰克,你做過調(diào)查嗎?——還沒有。我一回來就把它做完。根據(jù)前后句的意思,可知從句的動作發(fā)生以后,就做主句這個動作,要用連詞as soon as,故選A。理解連詞的詞義和用法,根據(jù)語境,選擇正確的連詞。whosewhowhomwhich【答案】 B 【解析】【分析】句意: 她是一名有豐富