【正文】 eople read newspapers ____ they can learn what39。 【點評】考查連詞辨析，根據(jù)句意選擇合適意義的連詞。t feel happy，感覺不開心是轉(zhuǎn)折關系，but但是，表轉(zhuǎn)折，故選C。some people in Asia may think it unnecessary. A.注意識記各連詞的含義及用法。B.butA盡管，B所以，C但是，D或者，根據(jù)遇到了困難還是繼續(xù)做這件事，可知是讓步狀語從句連詞though ， 故選A。that。根據(jù)wonder可知，賓語從句的連詞是if，是否，doubt的否定形式引導的賓語從句連詞是that，其后不缺少成分且語意完整 ， 故選A。C.。which——別擔心。if。D.根據(jù)語境，可知前后句是轉(zhuǎn)折關系，故選A。so【答案】 C 【解析】【分析】句意：史密斯先生非常有錢，但是他感覺不開心。so that為了，引導目的狀語從句；ever since從……以來，引導時間狀語從句；as soon as一……就……，引導時間狀語從句；even though盡管。根據(jù)句意此處應是直到布萊克先生回來，我們才可以做決定，not…until…，直到……才……，故選C。whilet make a decision Although 【點評】考查連詞辨析，首先識記選項意思，然后根據(jù)句意確定。afterD.B.C.故答案是D。 【點評】考查連詞辨析。sinceif38．A little monkey might feel sad because of having a new baby sister or brother!—Yeah. I didn39。但是，表示轉(zhuǎn)折；DB.andBesides【答案】 D 【解析】【分析】句意：這輛車看起來不錯。C.B.36．The car looks nice. ______________, it39。so。35．Mr. Hu39。either?！瓡r候；…就…；……時候。B.根據(jù)回答 The Reader, of course ，可知我和我弟弟都喜歡，根據(jù)句子分析，like用了單三形式likes，not only …but also…遵循就近原則，故謂語動詞與my brother保持一致，my brother為第三人稱單數(shù)形式，故like要用單三，故選D。Either。C.unless【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。when；；；。29．__________he won 500 million pounds prize, he still lived in a small flat. A.……就……；；；。D.C.B. nor【答案】 B 26．I never doubt _______ this park is worth _______. A.Both。D.B. nor【答案】 B 21．It was the middle of the night _____the sound of the piano woke me up. A.Both。 butuntil。t want anyone to see them leave. A.ifafterso that【答案】 D 16．How can we improve our environment a lot 【點評】考查連詞，注意how long和until的用法。 UntilB.C.弄清所給連詞意思，然后根據(jù)上下文的聯(lián)系確定所使用的連詞。unlessButC.or【答案】 D 【解析】【分析】句意：Emily，你又玩游戲！努力學習，否則你將在接下來的考試中失敗。andsothenD.根據(jù)前后句的意思，可知前句是后句發(fā)生的條件，要用連詞if，故選B。B.enough。D.so thatC.Whether B： If是否，可以引導條件狀語從句； C： Though雖然； D： While當……時，然而。6．Emily, you are playing video games again! Study hard, ______ you will fail in the ing exam. A.B.C.D.thoughs surface is covered with water, 97 percent of it is salt water in the sea. A.whenorB. 【點評】此題考查連詞辨析。How long。last是持續(xù)動詞，提問持續(xù)動詞所持續(xù)的時間用how long，故排除B和D選項，until表示動作的持續(xù) ， 故選C。D.C. so as【答案】 C 18．—The air pollution is terrible. —It will be worse ______ we take action to protect the environment.A.when【答案】 B 19．They waited ____ it was dark before leaving, ____ they didn39。B.unless。 because【答案】 B 20．The film is really exciting. their teacher is enjoying the film. A.Neither。Unless rise rise【答案】 A 25．T