【正文】 承關(guān)系， 因此用and，故答案選D。afterB.whenC.Neither。t want to go alone. A.since。D.while根據(jù)常識可知在夏天食物放在冰箱才不會馬上變質(zhì)，此處是unless引導(dǎo)的條件狀語從句，故選B。althoughgreat progress B.whyI saw the film Born in China.A.if如果；until直到；since自從；although雖然，not...until....直到……才……，固定短語，故選B。that【答案】 A 【解析】【分析】句意：——不好意思，我想知道飛機能否準(zhǔn)時著陸。Neither。B.B.and【答案】 B 【解析】【分析】句意： 當(dāng)你學(xué)習(xí)英語時，要用它，否則你會失去它。m really sorry. Then what about next time?A.not only。C.D.C.B.29．The battle continued for several hours ___________ darkness came on. A.ll lose it. A. 【點評】考查連詞辨析。25．Please give me a call ________________ you e back. A.故選A。Either。ifby mistaket know that so；tooA. both。 andwhenunlessHow long。unless；……之后；，否則；。B.B.after2．—My parents are crazy about Running Man. How about your parents? —_________ my dad _________ my mum likes it. Instead, they prefer The Voice of China.A.until becauseunless【答案】 D 8．___________three fourths of the Earth39。C.C. 【點評】此題考查連詞辨析。enough；toif 【點評】考查連詞辨析。D.——請等一下。 norwheneveras soon asB. ；；；。both。 but also【答案】 B 【解析】【分析】句意： 【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。thenre learning English, use it, _________you39。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B。理解連詞的詞義和用法，根據(jù)語境，選擇正確的連詞。根據(jù)下文 And they sing soft songs very well. 和上句的謂語動詞like，可知他們都喜歡聽輕音樂。C.22．— Excuse me. I wonder ______________ the plane can land on time. — Wait a minute, please. Let me check it out.A.B.since20．A little monkey might feel sad because of having a new baby sister or brother!—Yeah. I didn39。C.18．He has made nor【答案】 C 【解析】【分析】句意：我的父母希望我將來要么成為一名工程師，要么成為一名科學(xué)