【正文】 前后兩句話是一種因果關系，結合選項，可知A選解析：A【詳解】解析：句意：他一直努力學習，因此他在許多方面取得了迅速的進步。根據(jù)句意知前后句意是轉(zhuǎn)折關系，故填but；選D?？疾檫B詞辨析?？疾檫B詞辨析?？疾檫B詞。or或者，表選擇；but但是，表轉(zhuǎn)折；so所以，表結果；until直到，表時間。so因此；if如果，表示條件；but但是，表示轉(zhuǎn)折；or或者，表示選擇；根據(jù)The jacket is nice和it doesn’解析：C【詳解】句意：這個夾克很漂亮，但是我穿上不好看。考查并列連詞?？疾檫B詞辨析。故選B?？疾檫B詞。連詞辨析。先來翻譯這段話，Bob很年輕，___他了解很多。解析：C【詳解】句意：我們再也看不到科比再打籃球了，但我們會永遠記住他。A. or否則，或者，表選擇關系；B. but 但是，表轉(zhuǎn)折關系；C. so因此，表因果關系；D. and和，而且，表并列關系。故選C。故選D?？疾檫B詞辨析?？疾檫B詞。根據(jù)前半句表示幸虧他，后半句表示我們無法成功地做這件事，因此表示如果沒有他，我們就做不到這件事，故用or,故選A。故選：B。or否則，連接并列句，but但是，連接轉(zhuǎn)折關系的并列句，and和，連接順承關系的并列句，so所以，連接因果關系的并列句；結合句意可解析：B【詳解】句意邁克，不要害怕犯錯誤，否則你就永遠不會有進步。本題考查并列連詞。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?。老師他的答案不對，解析：A【解析】句意：今天我上學遲到了，因為我不能趕上早班車?！獮槭裁床辉嚧┮幌逻@件藍色的呢？我認為藍色很適合你。但有時and 也可用于否定句。連詞的用法都比較多，語義之間還有交叉，熟記其基本應用規(guī)則，了解其區(qū)別，注意固定搭配對象，是做好此類題型的關鍵。此處上下句表示因果關系，故答案選D。表示結果。根據(jù)上下句句意可解析：A【詳解】句意：——有些人認為學生在家學習期間可能會浪費時間?？键c：考查連詞辨析4．A【解析】試題分析：A. but 但是 B. and并且 C. so所以 D. or或者；句意：我想和你一起去游泳，但是我今天太忙了。A. or否則，表選擇關系；B. And和，表并列；C. but但是，表轉(zhuǎn)折；D. so所以，表因果。so因此；or否則；but但是；and和。t be afraid to make mistakes， _________ you39。初中英語常見連詞and,or,but的用法 及解析一、選擇題1．Follow the teachers39。ll never make progress．A．so B．or C．a(chǎn)nd D．but16．2018年上海崇明二模Please dial 120 immediately,_______ the old man may die soon.A．a(chǎn)nd B．or C．but D．so17．— Jim is a helpful student.— I think so. Thanks to him, ________ we can’t do it successfully.A．or B．so C．but D．because18．The traffic rules say divers mustn’t drive if they are drunk, _______ they will be punished.A．a(chǎn)nd B．but C．so D．or19．Do you want to go now, would you like to leave later?A．but B．or C．a(chǎn)nd D．so20．—Hurry up, Tom, we’ll be late for the movie.—Ok, I will.A．but B．or C．a(chǎn)nd D．So21．Many people aren’t attracted to this project, ________ I want to know more about it.A．a(chǎn)s B．or C．until D．but22．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．The dress is really beautiful，__________ it is too small for me.A．or B．but C．so D．a(chǎn)nd25．We will never see Kobe play another basketball game, ________we will always remember him.A．because B．unless C．but D．if26．Bob is young, _______ he knows a lot.A．because B．so C．but D．unless27．I really want to have a pet dog,_____ my mother disagrees.A．but B．a(chǎn)nd C．or D．so28．The thing that matters is not whether you fail or not, ________ whether you try or not.A．a(chǎn)nd B．or C．so D．but29．I like taking photos, _____my cousin doesn’t like it.A．a(chǎn)nd B．but C．or D．so30．Ben was busy taking a training class, ______we had to wait for him for half an hour.A．so B．if C．or D．but31．You should retu