【正文】 oo many trees, _____ the greenhouse effect bees more and more serious.A．so B．because C．a(chǎn)lthough D．if21．Alice likes swimming, ________ there is no swimming pool near her home.A．a(chǎn)nd B．but C．unless D．because22．I’ve wanted to read The Little Prince for long, _______ today I finally borrowed the book from the library.A．or B．since C．a(chǎn)nd D．because23． Do you like reading history books when you are free? No! I like story books _ _ I almost read them every day.A．a(chǎn)nd B．but C．or D．then24．Hawking is no longer with us, he will continue to inspire the world.A．so B．if C．but D．a(chǎn)s25．I like dancing, ______ I don’t have enough time to practice it.A．or B．so C．but D．because26．Air pollution is being more and more serious, actions must be taken to stop it.A．so B．but C．or D．until27．It was raining heavily, _____ we decided to stay at home and watch TV.A．but B．or C．because D．so28．A snake bit him ___________ he went to see a doctor at once.A．if B．where C．because D．so29．They don’t think Lee can do the job, ________ he has decided to show them he can.A．but B．so C．or D．a(chǎn)nd30．I like your story, _______ I’m confused by the ending. Can you explain it?A．a(chǎn)nd B．or C．so D．but31．You should return the digital camera to Sally ________she will get angry.A．so that B．because C．before D．or32．The F1 driver is hugely talented, ________ he still works hard to achieve his goals.A．so B．but C．if D．though33．The team met a lot of difficulties, ______ they never gave up and won the game at last.A．or: B．a(chǎn)nd C．but D．so34．一Will you go shopping with me_______go to the cinema with Kitty? 一 I’m sorry，_______I’m afraid I can’t．I have so much homework to do now．A．or；but B．or；and C．a(chǎn)nd；but D．a(chǎn)nd；or35．I39。but但是，表示前后是轉(zhuǎn)折關(guān)系；or否則，表示前后是選擇關(guān)系；and和，表示前后是并列關(guān)系；so所以，表示前后是因果關(guān)系?？疾檫B詞有用法。——是的，但是學(xué)生們通過獨(dú)立學(xué)習(xí)提高了他們的能力。故選A。結(jié)合句意，如果不快點(diǎn)，我們就會晚點(diǎn)，趕不上第一班公交解析：D【解析】句意：快點(diǎn)，否則我們第一班公交車要晚點(diǎn)了。本題考查連詞。因此我們必須找到一個旅館呆一晚上。故選C。and和；or否則，或者；so所以；but但是。故選B?！獮槭裁床辉嚧┮幌逻@件藍(lán)色的呢？我認(rèn)為藍(lán)色很適合你。解析：D【詳解】句意：皮特先生必須盡快振作起來，否則他會徹底輸?shù)舯荣?。A. though 盡管，引導(dǎo)讓步狀語從句；B. if如果，引導(dǎo)條件狀語從句； that以便，以致于，引導(dǎo)目的解析：D【詳解】句意：那些想減肥的人必須每天鍛煉，否則他們可能會再次發(fā)胖。本題表示“轉(zhuǎn)擇”關(guān)系。句意：快點(diǎn)，否則你會趕不上公共汽車的。結(jié)合語境可知選A。and和；but但是；unless除非；because因?yàn)椤?2．C【詳解】句意：我一直想讀《小王子》，今天終于從圖書館借到了這本書。23．A【解析】【詳解】句意：——你有空時，喜歡看歷史書嗎？——不！我喜歡故事書，我?guī)缀趺刻炜此鼈儭o因此，表因果；if如果，表?xiàng)l件；but但是，表轉(zhuǎn)折；as由于，表原因。A. or連詞，或者；B. so連詞，所以、那么； C. but連詞，但是；D. because連詞，因?yàn)椤?7．D【詳解】試題分析：句意：因?yàn)橛晗碌煤艽?，所以我們決定待在家里看電視?？疾檫B詞的用法?？疾檫B詞辨析。你能解釋解釋一下嗎？考查連詞詞義辨析?？疾檫B詞辨析。考查連詞辨析。第二解析：A【解析】解析：句意：——你愿意和我去購物還是和基蒂去看電影？——很抱歉，但我恐怕不行，現(xiàn)在我有如此多的作業(yè)要做。根據(jù)句意stay longer和too busy是相反的意思，故應(yīng)表示轉(zhuǎn)折，選B。and并且； but 但是； or或者； so因此。上下句表示轉(zhuǎn)擇的關(guān)系，but連詞，意思是“但是”，表示轉(zhuǎn)擇。So因此，所以；or或者，否則；and并且；but但是，表示轉(zhuǎn)折?？键c(diǎn)：考查連詞的基本用法40．A【詳解】句意：我穿這件襯衫很好看，但有點(diǎn)貴。but但是