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will be healthier. A.because因?yàn)椋龑?dǎo)原因狀語(yǔ)從句;as soon as一……就……,引導(dǎo)時(shí)間狀語(yǔ)從句;before在……以前,引導(dǎo)時(shí)間狀語(yǔ)從句;even though即使,引導(dǎo)讓步狀語(yǔ)從句。s difficult to make it to the top, I still want to have a try. A.20._______________ you start right now, you will be late for the meeting. A.andas 【點(diǎn)評(píng)】考查連詞,根據(jù)句意來(lái)選擇合適的連詞。17.Mr. Smith is very rich, ________ he doesn39。well enough。C.ifC.14.___________ you know the answer, please ___________ your hand. A.13.Bill, stop smoking, 但是,表示轉(zhuǎn)折;DB.andB.B.C.thoughsincefor【答案】 B 7.Tom39。sobutandafteralthough【答案】 C 4.How can we improve our environment a lot however 【點(diǎn)評(píng)】考查連詞,注意how long和until的用法。 UntilB.How long。last是持續(xù)動(dòng)詞,提問(wèn)持續(xù)動(dòng)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(dòng)作的持續(xù) , 故選C。B.whenD.C.because【答案】 C 6.British people and Australian people speak the same language, ______________ they have different customs and cultures. A.B.C.D.C.C.whent. I have to prepare for the English Speech Contest.A.或者,表示選擇;C注意每個(gè)連詞的含義及用法,根據(jù)語(yǔ)境確定最佳選項(xiàng)。注意句子涉及到祈使句,and/or+陳述句的用法。unlessB.good enough: butB. 【點(diǎn)評(píng)】考查形容詞辨析,注意連詞so的用法。t feel happy,感覺(jué)不開(kāi)心是轉(zhuǎn)折關(guān)系,but但是,表轉(zhuǎn)折,故選C。B.B. 【點(diǎn)評(píng)】考查連詞辨析,注意平時(shí)識(shí)記其詞義,理解句意。If21._______ it39。Even though【答案】 D 【解析】【分析】句意:即使很難到達(dá)山頂,我仍然想要試試。注意識(shí)記祈使句中and是表示好的結(jié)果的用法。whatwhy根據(jù)上下文的聯(lián)系確定所使用的連詞。knowledge orD. nor not only...but also...不僅.......而且……;neither...nor...既不……也不……;both...and...兩者都,根據(jù) They both like country music. 可知父母兩人都喜歡鄉(xiāng)村音樂(lè),故選B。 orD. 【點(diǎn)評(píng)】考查并列連詞辨析。D.注意祈使句+or/and+簡(jiǎn)單句結(jié)構(gòu)。unless