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——請等一下。50.— Excuse me. I wonder ______________ the plane can land on time. — Wait a minute, please. Let me check it out.A.last是持續(xù)動詞,提問持續(xù)動詞所持續(xù)的時(shí)間用how long,故排除B和D選項(xiàng),until表示動作的持續(xù) , 故選C。How long。D.46.—Li Ming, are you leaving for Hangzhou for your trip tomorrow? untilunless【答案】 A 【解析】【分析】句意:多喝水早睡覺,明天你將感覺更好。C. 【點(diǎn)評】考查連詞辨析,常使用的連詞應(yīng)熟練掌握。B.表示選擇。42.Take more exercise, 【點(diǎn)評】考查連詞辨析。C.40.A ship is safe if it stays in a harbor. But this is not ________ it is built for. A.可知是錯拿了詞典,故選B。in generalat onceC.ifB. andC.35.— Which coat do you like better, the red one ______________ the blue one? — The blue one.A.B.我現(xiàn)在在紐約。 【點(diǎn)評】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。 toB.注意識記either…or的詞義和用法。C. but alsoas【答案】 B 【解析】【分析】句意:——你更喜歡哪個科目?——我喜歡科學(xué),盡管它很難。C. 【點(diǎn)評】考查連詞辨析,首先識記連詞詞義,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。C.除非保護(hù)水資源,否則我們沒有水喝,所以用unless,故選D。注意祈使句+or/and+簡單句結(jié)構(gòu)。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。t go to bed D.Whenafter/【答案】 D 18.How can we improve our environment a lot BeforeWhenthatC. 【點(diǎn)評】考查連詞辨析。C.D.注意if,unless,although和until的詞義和用法。C. 【點(diǎn)評】考查連詞辨析。it【答案】 C 【解析】【分析】句意:新高速鐵路開通后,連云港到青島的時(shí)間比過去少了很多。thatthisonealthough【答案】 B 【解析】【分析】句意:如果你去參加聚會,你會玩得很開心的。 【點(diǎn)評】考查連詞辨析。IfD.B.;……之后;,否則;。orB.you39。讓我們盡我們最大努力。Butll never give up. D.B.D.C.SinceWhen6.______________ you use your dictionary often, your spelling will improve. A.A: Whether是否,不能引導(dǎo)條件狀語從句。B.8.After the new highspeed railway line began operations, the time on the trip from Lianyungang to Qingdao now is much less than __________in the past.理解選項(xiàng)意思和用法,根據(jù)句子的語法結(jié)構(gòu),選擇正確的連詞。B.unlessA: and又,和,表示順接; B: but但是,表示轉(zhuǎn)折; C: unless除非。B.;;;……為止。AlthoughB.她以看見狗就逃走。B.A.what【答案】 B 【解析】【分析】句意: 你能告訴我歌手是否會來我們學(xué)校嗎?whether...or not,固定搭配,是否 , 故選B。t like western food. I seldom eat it ______________ to McDonald39。B.asandB.untilBesides【答案】 A 20.—Mom, I want to be an engineer when I grow up. —Son, your dream will not e true _____ you keep trying your best.A.whetherwhen【答案】 D 22.He knows a lot, ________ he is just a child. A.thoughifC.C.B.whilere learning English, use it, _________you39。B.then ;;;。B.D.B.——越來越多的人想去那里做生意。31.— How do you like the two pairs of shoes? — They don39。 nor……而且;……也不;……要么。very。whenever理解連詞的詞義和用法,根據(jù)語境,選擇正確的連詞。which【答案】 B 【解析】【分析】句意: 她是一名有豐富的教學(xué)經(jīng)驗(yàn)的教師。and理解連詞的詞義和用法,根據(jù)語境,選擇正確的連詞。Not。理解并列連詞詞義和用法,根據(jù)語境,選擇正確的并列連詞。38.—I39?!獩]關(guān)系。ifunlessorbut【答案】 B 【解析】【分析】句意: 如果你現(xiàn)在不出發(fā)你會錯過早班車的,你最好快點(diǎn)。howwhere