【正文】 生們通過獨(dú)立學(xué)習(xí)提高了他們的能力。根據(jù)前后句句意對(duì)照可知，空處的連詞引導(dǎo)的是讓步狀語從句，意為“盡管、雖然”，故答案為A。根據(jù)題意，故選A。if：如果，表示假設(shè)；but：但是，表示轉(zhuǎn)折；or：或者，表示選擇；so：因此，表示順承。根據(jù)句意可知，此句是讓步狀語從句，前后句為讓步故選，此空應(yīng)填or，故選A。16．A【解析】考查連詞辨析題。A. so因此；表示前后是因果關(guān)系；B. but 但是，表示前后是轉(zhuǎn)折關(guān)系；C. Or否則，要不然解析：C【解析】句意：Thomas，在電腦游戲上可以少花點(diǎn)時(shí)間，否則你將在學(xué)習(xí)上會(huì)更糟糕。A. so 因此；B. but但是；C. for 為了； D. or否則，或者。根據(jù)句意前后兩句表示轉(zhuǎn)折關(guān)系，故選C。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?but但是。所以我們不得不等他半個(gè)小時(shí)。or 或者，否則；so 因此，所以；and 和；but 但是，表示轉(zhuǎn)折。根據(jù)句意，前半句表示想要去，后半句表示沒有時(shí)間，前后表示轉(zhuǎn)折關(guān)系，故用連詞b解析：A【詳解】句意：你想要和我一起去看電影嗎？我想要去，但是我恐怕沒有時(shí)間。根據(jù)題意，故選A。39．B【解析】試題分析：句意：昨晚我給莎拉打電話，但是沒有回答。根據(jù)題干It39?？疾檫B詞。根據(jù)題意，故選A。故選D。and而且，but但是，or或者，then然后。考查連詞的用法，表示轉(zhuǎn)折故用but，選擇A。結(jié)合語境可知前后是轉(zhuǎn)折關(guān)系，故選D。根據(jù)句意want to have和后面的dis解析：A【詳解】句意：我真的想要擁有一只寵物狗，但是我的媽媽不同意。結(jié)合語境理解，此處表示轉(zhuǎn)折關(guān)系，答案為B。20．A【解析】試題分析：句意：外面很黑，因此我們必須慢慢摸著路行走。And連接并列的句子，but表示轉(zhuǎn)折關(guān)系，so表示因果關(guān)系，祈使句+or+陳述句 前后句的關(guān)系是對(duì)立的?！乙策@樣認(rèn)為。結(jié)合句意，表示如果不盡快振作起來，他就會(huì)徹底輸?shù)舯荣?，故選D。結(jié)合語境可知選A。根據(jù)題意，故選A。考查連詞?！堑模菍W(xué)生們通過獨(dú)立學(xué)習(xí)提高了他們的能力。考查連詞。 ______you will do worse in your studies. All right.A．so B．but C．or D．a(chǎn)nd19．You’d better wake up Tom at 6：30， he will be late for the match．A．if B．or C．a(chǎn)nd D．but20．It was very dark outside， ___________ we had to feel our way slowly.A．so B．but C．for D．or21．Air pollution is being more and more serious, actions must be taken to stop it.A．so B．but C．or D．until22．The dress is really beautiful，__________ it is too small for me.A．or B．but C．so D．a(chǎn)nd23．We will never see Kobe play another basketball game, ________we will always remember him.A．because B．unless C．but D．if24．The toys are really old, ________ I still want to keep them.A．or B．a(chǎn)nd C．but25．I really want to have a pet dog,_____ my mother disagrees.A．but B．a(chǎn)nd C．or D．so26．I like dancing, ______ I don’t have enough time to practice it.A．or B．so C．but D．because27．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．but28．Going to the movies is good, ______ I really only like listening to music.A．a(chǎn)nd B．but C．so D．or29．To some people living in Shanghai, the face of Shanghai may have changed, ________ the heart of it remains the same.A．but B．a(chǎn)nd C．so D．or30．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． 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．then32．Diana isn’t here, ______ leave a message on her desk.A．or B．so C．a(chǎn)nd D．but33．It was raining heavily, _____ we decided to stay at home and watch TV.A．but B．or C．because D．so34．Would you like to go to the museum with me?I’d love to, ______ I’m afraid I