【正文】 盡管它很難。C.thoughs difficult.A. 【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。；；。C.B.32．— Do you still remember our primary school teacher, Mrs. Liu? — Yes, she always encouraged us and gave us support ______________ we met difficulties.A.除非保護水資源，否則我們沒有水喝，所以用unless，故選D。unless【答案】 D 【解析】【分析】句意：科學(xué)家說，除非我們保護水資源，否則我們將沒有水喝。beforewhenif注意if引導(dǎo)的條件狀語從句，時態(tài)根據(jù)主將從現(xiàn)原則。根據(jù)前后句句意可知，此處應(yīng)該是if引導(dǎo)的條件狀語從句，時態(tài)根據(jù)主將從現(xiàn)原則，故選A。and【答案】 A 【解析】【分析】句意： 如果明天下雨，我們該怎么辦?sincewhileif 【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。；；；。D.C.B.29．__________he won 500 million pounds prize, he still lived in a small flat. A.根據(jù)他必須去看醫(yī)生，可知是身體不舒服，well，是形容詞舒服的，good，好的，不舒服和看醫(yī)生是因果關(guān)系，故是連詞so，所以 ， 故選D。well enough。good enough。well enough。t feel ___________, ___________ he has to see a doctor. A. 【點評】考查連詞辨析，注意連詞until的用法?！汀?；；。D.C.B.27．The battle continued for several hours ___________ darkness came on. A. 【點評】考查連詞辨析。either...or...或者……或者……；not only...but also...不僅……而且……；neither...nor...既不……也不……；not...but...不是……而是……，根據(jù) What have you learnt after three years39。not。neither。not only。cither。 nor【答案】 B 26．—What have you learnt after three years39。D.Either。 but alsoB.Both。D.C.B.t watch the live match on TV yesterday evening. A.Unless。Unless。If。If。D.becauseB.WhenD.C.B.either…or【答案】 B 21．—Why do many kids spend more time playing puter games? —Because their parents are _____ busy _____ they have little time to stay with their children. A.C.not only…but alsoor【答案】 C 20．—In shopping centers of most foreign countries, we can see many products made in China. —What we need is ________ Made in China, ________ Created in China. There is still a long way to go.A.C.but you will succeed.A.although【答案】 C 19．—Tom, what does Stay hungry, stay foolish. mean?—You can have your own understanding. But I think it means follow your original aspiration （初心）C.if because【答案】 B 18．It was the middle of the night _____the sound of the piano woke me up. A.D.unless。 asB.since。because【答案】 B 17．They waited ____ it was dark before leaving, ____ they didn39。C.thoughwhen【答案】 D 16．He knows a lot, ________ he is just a child. A.C.until15．You will find it useful to learn to study by yourself _____ you go to college. A.——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。 but also【答案】 B 【解析】【分析】句意：D.neither。 orB.both。until【答案】 C 14．— Since you have one ticket left, ____ my sister_____ I will go with you. — Oh, I39。C.unless13．My father was preparing for hi