【正文】 ，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。15．My father was preparing for his speech ______________ my mother was doing some washing last night. A.unlessC.until【答案】 C 16．Although she is under great stress, ______ she always wears a smile on her face. A.orC./【答案】 D 17．You will find it useful to learn to study by yourself _____ you go to college. A.untilC.when【答案】 D 18．Some people won39。becauseafterwhenuntil【答案】 D 19．He knows a lot, ________ he is just a child. A.thoughC.because【答案】 B 20．—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. norB. andNot only。soB.andD.both…andB.neither…norD.too, toso, thatsuch, thatenough, to【答案】 B 24．You like football ___________ she likes reading. A.orC.while【答案】 D 25．The situation is being more serious ________________ we do something to save the Earth. A.whenC.unless【答案】 D 26．— Jack, have you done the survey? — Not yet. I am in New York now. I39。as soon aswheneverbefore【答案】 A 【解析】【分析】句意：——杰克，你做過調(diào)查嗎？——還沒有。我一回來就把它做完。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A。理解連詞的詞義和用法，根據(jù)語境，選擇正確的連詞。t seen each other ___________ she went to the USA 10 years ago. A.ifC.since【答案】 D 【解析】【分析】句意：自從我的朋友十年前去了美國，我和我的朋友們就沒有見過面。本句為時間狀語從句，主句為現(xiàn)在完成時，從句為一般過去時，因此使用since。 【點評】考查連詞辨析，注意since連接的時間狀語從句，主句為現(xiàn)在完成時，從句為一般過去時。d better hurry. A.B.C.D.A如何，B如果不，C或者，C但是，根據(jù)你會錯過早班車的，可知此處是假設(shè)不及時行動，故是unless ， 故選B。29．He doesn39。good enough: butB. butC. soD. so【答案】 D 【解析】【分析】句意： 他覺得不舒服，所以他必須去看醫(yī)生。 【點評】考查形容詞辨析，注意連詞so的用法。IfThoughBecauseNow that【答案】 B 【解析】【分析】句意：盡管伊拉克的局勢非常危險，這位女記者仍繼續(xù)在那里工作。盡管伊拉克情況危險，但是記者仍然在那工作，所以用though，故選B。31．__________he won 500 million pounds prize, he still lived in a small flat. A.B.C.D.；；；。 【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。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。33．The writer walked slowly ______________ his bad leg. A.B.C.D.because、since和as都有因為的意思，都是連詞，后面接句子；because of因為，介詞短語，后面不加句子。 【點評】考查連詞辨析和短語辨析，注意平時識記because、since、as和because of的區(qū)別。not。not only。neither。either。A 不是……而是……，B 不僅……而且……，C 兩者都不，D 兩者之一不。 【點評】考查連詞辨析。35．— What were you and your father doing at 7:00 yesterday evening? — I was doing my homework _______________ my fat