【正文】 。while前后連接兩個進(jìn)行時態(tài)的句子?！军c睛】if和unless引導(dǎo)的條件狀語從句主將從現(xiàn)常見的有以下幾種情況：一、條件狀語從句的主句是一般將來時,那么從句常常用一般現(xiàn)在時如：When I grow up,I’ll be a nurse and look after patients我長大后要當(dāng)一名護(hù)士,照顧病人二、如果主句是祈使句,那么從句通常要用一般現(xiàn)在時如：Don’t laugh at me when I make a mistake.我犯錯誤的時候不要笑話我.三、如果主句是含有情態(tài)動詞的一般現(xiàn)在時,根據(jù)需要從句多用現(xiàn)在進(jìn)行時如：You should be quiet when you are in the reading room在閱覽室時應(yīng)保持安靜50．Eddie was sleeping _______ Millie was reading a magazine.A．until B．while C．before D．a(chǎn)fter【答案】B【解析】【分析】【詳解】試題分析：句意：埃迪在睡覺，同時米莉正在讀一本雜志。In用在一天中的上午，下午或晚上，用在季節(jié)，月份。49．If the singer ______ to Zigong ______ September 20th， please call me．A．will get；on B．gets；onC．gets；in【答案】B【解析】【詳解】句意：如果歌手9月20日到自貢，請給我打電話。根據(jù)下文Jeff thought it was worth both the time and the ，這里用Although引導(dǎo)。48． the journey was tiring，Jeff thought it was worth both the time and the money.A．As B．Since C．Unless D．Although【答案】D【解析】【詳解】句意：雖然旅途很累，杰夫認(rèn)為時間和金錢都值得。本題的含義是昨天他沒有去上學(xué)，“他病了”應(yīng)該是他沒上學(xué)的原因，because后跟原因從句，because of后跟單詞或短語，if如果后接條件狀語從句，so因此。結(jié)合句意可知，此句是until引導(dǎo)的時間狀語從句，故答案選A?？疾檫B詞辨析。根據(jù)句意可知if不合句意，故選B。if如果，unless除非，都表條件；after表時間，because表原因。45．When you are in your school dining hall during lunchtime, you may feel lonely _______ you can find someone to have lunch with.A．if B．unlessC．a(chǎn)fter D．because【答案】B【解析】【分析】【詳解】句意：當(dāng)你在學(xué)校食堂吃午飯的時候，你可能會感到孤獨，除非你能找個人一起吃午飯。A. Because因為，引導(dǎo)條件狀語從句，前后句是因果關(guān)系；B. Since自從……以來，引導(dǎo)時間狀語從句；C. Although雖然，盡管，引導(dǎo)讓步狀語從句，前后句是轉(zhuǎn)折關(guān)系，although后面句子表示讓步條件；D. But但是，并列連詞，連接并列句，前后句轉(zhuǎn)折關(guān)系。雖然它很舊，但它仍然運(yùn)行良好。43．Little Jack has learned to do lots of things on his own , ______ he is only four years old.A．if B．though C．for D．since【答案】B【解析】句意：小杰克自己學(xué)會了做許多事情，盡管他只有四歲。A. as long as只要，引導(dǎo)條件狀語從句；B. as soon as一……就……，引導(dǎo)時間狀語從句；C. now that既然，表原因；D. so that以便，引導(dǎo)目的狀語從句或結(jié)果狀語從句。考查連詞辨析，as if好像，even though盡管，as long as只要，as far as據(jù)……，根據(jù)句意，﹣﹣朋友就像書籍．﹣﹣是的，我們不需要太多只要他們品質(zhì)好．故選C．42．You’d better take the map with you ________ you won’t get lost.A．a(chǎn)s long as B．a(chǎn)s soon as C．now that D．so that【答案】D【解析】【詳解】句意：你最好帶上這張地圖，目的是為了不迷路。t need lots of them they are good．A．a(chǎn)s if B．even thoughC．a(chǎn)s long as D．a(chǎn)s far as【答案】C【解析】【詳解】句意：—朋友像書籍。故選A。 that【答案】A【解析】【詳解】句意：她對他所做的事情感到如此高興以至于她一直表揚(yáng)他。 that B．that。根據(jù)Cathy is afraid of the dog. 凱西害怕狗，可推知是她一看到狗就跑開了，結(jié)合選項可知C選項符合題意，故答案選C。A. ever since自從；B. although雖然、盡管；C. as soon as一…就39．Cathy is afraid of the dog. She will run away _______she sees it.A．ever since B．a(chǎn)lthough C．a(chǎn)s soon as D．so that【答案】C【解析】【詳解】句意：凱西害怕狗，她一看到狗就跑了。根據(jù)句意故選B。38．—Excuse me. Is it my turn now?—Not yet. Please wait on the chair ________ your name is called.A．a(chǎn)nd B．until C．a(chǎn)lthough D．since【答案】B【解析】試題分析：句意：請問，現(xiàn)在輪到我了嗎？還沒有，請坐在椅子上直到叫你。too+形容詞或副詞+to do sth.：太……而不能；enough+形容詞/副詞+to do sth.：足夠……以至于……；so+形容詞/副詞+that+句子：如此……以至于……；as…as：與……一樣……。37．Lin Shuhao is ________ famous ________ all the basketball fans in China knows him.A．too, to B．enough, to C．so, that D．a(chǎn)s, as【答案】C【解析】【詳解】句意：林書豪如此出