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with water, 97 percent of it is salt water in the sea. A.B.C.D.She will run away ____she sees it. A.althoughC.so that【答案】 C 【解析】【分析】句意:凱西害怕狗。;、即使;……就;。 【點(diǎn)評(píng)】考查連詞辨析。13.She got up late, __________ she missed the bus. A.becauseC.but【答案】 A 14.Could you tell me __________the singer will e to our school or not? ifB.thatD. 【點(diǎn)評(píng)】考查固定搭配,注意whether...or not的用法。WhenWhileBefore/【答案】 A 16.I don39。s with my daughter. A.whenC.unless【答案】 D 17.Although she is under great stress, ______ she always wears a smile on her face. A.orC./【答案】 D 18.How can we improve our environment a lot whileB.afterD.HoweverB.OtherwiseD.whenB.unlessD.whileB.SinceD.howeverB.andD.becauseB.whenD.WhenB.becauseD.eithers orboth andneither。D.t go to bed her mother came home last night. A.ifC.until【答案】 D 【解析】【分析】句意:昨天晚上珍妮直到母親回家才睡覺。 【點(diǎn)評(píng)】考查連詞辨析。27.When you39。ll lose it. A.orC.and【答案】 B 【解析】【分析】句意: 當(dāng)你學(xué)習(xí)英語時(shí),要用它,否則你會(huì)失去它。根據(jù)句意和句子結(jié)構(gòu)可知,此處是祈使句+or/and+簡單句結(jié)構(gòu),祈使句表示條件,后面的簡單句表示結(jié)果,當(dāng)結(jié)果與條件意思一致時(shí),用and連接,當(dāng)結(jié)果與條件意思相反時(shí),用or;根據(jù)句意可知,此句條件和結(jié)果意思是相反的,所以應(yīng)該用or,故選B。注意祈使句+or/and+簡單句結(jié)構(gòu)。ifwhenbeforeunless【答案】 D 【解析】【分析】句意:科學(xué)家說,除非我們保護(hù)水資源,否則我們將沒有水喝。除非保護(hù)水資源,否則我們沒有水喝,所以用unless,故選D。29.— The local living conditions(條件) have improved a lot ________________ China set up the city of Sansha. — And more and more people would like to go there for business.A.whenC.after【答案】 C 【解析】【分析】句意:——自從中國建立三沙市以來,當(dāng)?shù)氐纳顥l件有了很大的改善。......之前;......時(shí)候;;......之后。 【點(diǎn)評(píng)】考查連詞辨析,首先識(shí)記連詞詞義,然后根據(jù)since引導(dǎo)時(shí)間狀語從句,從句用一般過去時(shí),主句用現(xiàn)在完成時(shí)確定。s difficult.A.thoughC.as【答案】 B 【解析】【分析】句意:——你更喜歡哪個(gè)科目?——我喜歡科學(xué),盡管它很難。s difficult,我又喜歡,前后是讓不的關(guān)系,故選B。注意識(shí)記各連詞意思。t fit me. They are ________________ too big ________________ too small.A. but alsoneither。C. or【答案】 C 【解析】【分析】句意:——你覺得這兩雙鞋怎么樣?——它們不適合我。根據(jù)too big和too small可知,鞋都不合適,要么大了要么小了,故選C。注意識(shí)記either…or的詞義和用法。s class is _______________ interesting _______________ everyone likes his lessons. A. thatB. thatC. toD. that【答案】 B 【解析】【分析】句意: 胡先生的課很有趣,每個(gè)人都喜歡他的課。 【點(diǎn)評(píng)】考查連詞辨析,注意so+形容詞+that,如此......以至于,引導(dǎo)結(jié)果狀語從句的用法。ll finish it ________________ I e back.A.B.C.我現(xiàn)在在紐約。A: as soon as一......就......; B: whenever不論何時(shí); C: before在......之前。 【點(diǎn)評(píng)】考查連詞辨析。34.She is a teacher __________________ has much teaching experience. A.B.C.D.定語從句先行詞是teacher,從句中缺少主語,故指代人用who做主語 , 故選B。35.— Which coat do you like better, the red one ______________ the blue one? — The blue one.A.B.C.