【正文】 ，表示因果關(guān)系?？疾檫B詞。分析句意，起床晚了，因此帶著早餐上的公交車，表示因此之意，解析：D【解析】試題分析：句意：我昨天起床晚了，因此，我必須帶著早餐上的公交車。A. or否則，或者，表示選擇關(guān)系；B. and和，而且，表示并列或順承關(guān)系；C. but但是，表示轉(zhuǎn)折關(guān)系；D. so因此，表示因果關(guān)系。本題前后兩句是因果關(guān)系，前一句是因，后一句是果，需用so連接。A. so所以，表因果（前因后果）；B. because因為，表原因（前果后因）；C. but但是，表轉(zhuǎn)折；D. or或者，表選擇。but但是，表轉(zhuǎn)折；so所以，表結(jié)果；or或者，表選擇；and和，表并列?？疾檫B詞辨析。根據(jù)句意結(jié)構(gòu)，可知“Tony had a high fever and coughed a lot托尼發(fā)高燒，經(jīng)?？人浴睂?dǎo)致后面去醫(yī)院的結(jié)果，故選D。for因為，表原因；but但是，表轉(zhuǎn)折；or或者，表選擇；so所以，表結(jié)果。but但是；so所以、因此；or或者、否則。but但是；so所以、因此；or或者、否則。根據(jù)句意可知，表轉(zhuǎn)折，故選B。根據(jù)句意可知，表轉(zhuǎn)折，故選B。故選B。解析：B【詳解】句意：遵照老師的指示做，否則你在運動的時候會受傷?？疾檫B詞。d like to, ________I have to look after my baby sister.A．because B．a(chǎn)s C．but D．if33．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．Mike recently got a package, ________ he didn’t remember buying anything.A．so B．or C．for D．but35．（江蘇省無錫市錫北片2017屆九年級下學(xué)期期中考試）— Are you willing to buy something big like a house from online shops?— It sounds great ______________ I won’t do that.A．but B．unless C．though D．since36．I was late for school today ______ I didn’t catch the early bus.A．because B．so C．but D．then37．I39。外研版六年級連詞and,or,but的用法練習(xí)題及答一、選擇題1．Follow the teachers39。ll never make progress．A．so B．or C．a(chǎn)nd D．but15．Those who want to lose weight have to exercise every day, _________ they might get fat again.A．though B．if C．so that D．or16．Don’t be crazy about puter games, ________ your parents will be worried.A．a(chǎn)nd B．or C．but D．so17．Hurry up, we’ll be late for the concert. There are only 10 minutes left.A．a(chǎn)nd B．or C．so D．but18．Hurry up, you will miss the busA．or B．And C．but D．so19．Set down your pens when you hear the bell rings, ____ you’ll be against the rules.A．a(chǎn)nd B．but C．so D．or20．It’s hot today, ______we want to go swimming in the river.A．though B．but C．so D．or21．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．The toys are really old, ________ I still want to keep them.A．or B．a(chǎn)nd C．but24．Bob is young, _______ he knows a lot.A．because B．so C．but D．unless25．Going to the movies is good, ______ I really only like listening to music.A．a(chǎn)nd B．but C．so D．or26．Air pollution is being more and more serious, actions must be taken to stop it.A．so B．but C．or D．until27．Diana isn’t here, ______ leave a message on her desk.A．or B．so C．a(chǎn)nd D．but28．It was raining heavily, _____ we decided to stay at home and watch TV.A．but B．or 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