【正文】 分析句意可知，他們雖然很累，但很快樂，前半句是讓步狀語從句，用Although。這里是if引導(dǎo)的條件狀語從句，遵循主句用一般將來時，從句用一般現(xiàn)在時態(tài)，根據(jù)題意，故選C。（引導(dǎo)讓步狀語從句）；（引導(dǎo)條件狀語從句）；（引導(dǎo)條件狀語從句）。not...until...直到……才，故選B。47．She didn39。46．He was so busy preparing for the high school entrance exam that .A．he had enough time to watch football matches every dayB．he was free enough to go shopping onlineC．he had no time to do sports every day【答案】C【解析】【詳解】句意：他忙于準(zhǔn)備高中入學(xué)考試，以至于他每天都沒有時間做運(yùn)動。but表示前后是轉(zhuǎn)折關(guān)系；and表示前后并列或遞進(jìn)關(guān)系。所以答案選C。 will finishC．will enter。if是否，如果；because因為；after在......之后；until直到。fatheranything43．HelenA. If連詞，如果，引導(dǎo)條件狀語從句；B. Although連詞，雖然、即使，引導(dǎo)讓步狀語從句；C. Until連詞，直到，引導(dǎo)時間狀語從句。41．He didn’t go to school yesterday _______ he was ill.A．because B．because of C．if D．so【答案】A【解析】【詳解】句意：他昨天沒去上學(xué)，因為他病了。40．It was the middle of the night _____the sound of the piano woke me up.A．because B．if C．when D．a(chǎn)lthough【答案】C【解析】【詳解】句意：正是半夜鋼琴聲把我吵醒了。各種年齡的人都可以挑戰(zhàn)自己。結(jié)合句意可知是unless引導(dǎo)的條件狀語從句，故選B考點：考查連詞的用法。37．Shall we go for a piic in the forest park tomorrow? Yes, it rains heavily.A．if39?！珱]人知道那天會不會下雨。 will rain B．will be fine。根據(jù)語境以及上下文，本題考查的是連詞的用法。A. If 如果，引導(dǎo)條件狀語從句；B. Since 由于，引導(dǎo)原因狀語從句；C. Although 盡管，雖然，引導(dǎo)讓步狀語從句；D. Because 因為，引導(dǎo)原因狀語從句。33．I’m going to take him to some famous hutongs _____ he can learn more about China.A．because B．when C．so that D．a(chǎn)s if【答案】C【解析】試題分析：句意：我?guī)ヒ恍┯忻暮?，為了讓他更多的了解中國。Since ， 從……以來，自從……之后?？疾檫B詞辨析。If引導(dǎo)的條件狀語從句中，如果主句是將來時，從句用一般現(xiàn)在時代替將來時。29．Our head teacher often says, ＂You will not pass the exam ___________ you work hard.＂A．if B．unless C．since D．when【答案】B【解析】句意：我們的班主任常說：如果你們不努力學(xué)習(xí)，你們就通不過考試。考查連詞辨析題。too....to....太....而不能....，to后面不能接句子，故排除選項B；so/such....that.....：太....以至于....，that后接句子；such＋a（an）＋adj.＋單數(shù)可數(shù)名詞＋that…；so＋adj.／adv.＋that…；結(jié)合句子this desk is heavy I can39。t move it.一Don39?？疾檫B詞辨析。世界上沒有任何東西可以生存。25．—Did you catch what our teacher said just now?—Of course. He said that nothing will live in the world _____ there is any water.A．if B．unless C．a(chǎn)lthough【答案】B【解析】【詳解】句意：——你明白我們老師剛才說的話了嗎？——當(dāng)然。24． Is Li Lei at school today? No, he is at home _____ he has a bad cold.A．until B．if C．because D．so【答案】C【解析】【詳解】句意：——李磊今天在學(xué)校嗎？——不，他在家因為他感冒了。答語是條件狀語從句，根據(jù)句意結(jié)構(gòu)可知，需要unless連接，故選B。before在……以前；until直到，和not連用表示“直到……才”；when當(dāng)……的時候；after在……以后。when當(dāng)……的時候，though盡管，.until直到，because因為。根據(jù)語境推測對話的語境是“——我想知道蒂娜下周是否會來中國。故選D。故選D18．He made a serious mistake, but he took immediate action to change that ______ it got worse.A．until B．when C．because D．before【答案】D【解析】試題分析：句意：他犯一個嚴(yán)重的錯誤。17．China Dream will be able to e true we try our best.A．unless B．until C．a(chǎn)lthough D．a(chǎn)s long as【答案】D【解析】【詳解】句意：只要我們盡全力，中國夢將會實現(xiàn)。16．一What will you do then?一I will telephone the police and plain about it the noise stops soon.A．unless B．though C．because D．if【答案】A【解析】【詳解】句意：那么你會怎么做？我會給警察打電話投訴，除非噪音很快停止?？键c：考查so與such的用法。主要結(jié)構(gòu)有： +adj.+a/an +可數(shù)名詞單數(shù)+that從句；+adj./adv.+that從句；+many/few/much/little+復(fù)數(shù)可數(shù)名詞+that從句such（adj.）表示