【正文】 hat.....句式，故選C。40．You’d better take the map with you ________ you won’t get lost.A．a(chǎn)s long as B．a(chǎn)s soon as C．now that D．so that【答案】D【解析】【詳解】句意：你最好帶上這張地圖，目的是為了不迷路。考查連詞辨析。A. as long as只要，引導(dǎo)條件狀語從句；B. as soon as一……就……，引導(dǎo)時間狀語從句；C. now that既然，表原因；D. so that以便，引導(dǎo)目的狀語從句或結(jié)果狀語從句。根據(jù)句意語境，帶著地圖的目的就是防止迷路，本題是目的狀語從句，故選D。41．Did you catch what the teacher said?No. She spoke so fast _______ I couldn’t hear her very clearly.A．which B．that C．when D．since【答案】B【解析】考查從句的連接詞?！澳懵牰蠋熤v的了嗎？”“不。她說的那么快以至于我聽得不是太清楚。”so...that...“如此......以至于......”，表示結(jié)果。故選B。42．Chen Wei isn’t at school today ________ he is taking a robot petition in Shanghai.A．so B．because C．before D．if【答案】B【解析】試題分析：句意：陳煒今天不在學(xué)校因為他在上海參加機器人競賽。so所以；because因為；before在……之前；if如果。所以選B?？键c：考查連詞。43．The teacher speaks very loudly all the students can hear her.A．so that B．because C．since D．when【答案】A【解析】【詳解】句意：為了讓所有學(xué)生都能聽見她，老師講得非常大聲。A. so that 是固定詞組，引導(dǎo)目的狀語從句時，表示“以便；為了”，從句中常使用can /could /may /might /will /would /should等情態(tài)動詞或助動詞，因此選A。B. because 意為“因為”；C. since 表示“自……以來，因為，由于”；D. when 意為“當(dāng)……時”。老師大聲說話的目的是讓學(xué)生們都聽到，所以，B、C、D均不符合題意。44．– You bought the car about ten years ago? Yes. it’s old, it still runs well.A．Because B．Since C．Although D．But【答案】C【解析】【詳解】句意：——你十年前買的車？——是的。雖然它很舊，但它仍然運行良好?？疾檫B詞辨析。A. Because因為，引導(dǎo)條件狀語從句，前后句是因果關(guān)系；B. Since自從……以來，引導(dǎo)時間狀語從句；C. Although雖然，盡管，引導(dǎo)讓步狀語從句，前后句是轉(zhuǎn)折關(guān)系，although后面句子表示讓步條件；D. But但是，并列連詞，連接并列句，前后句轉(zhuǎn)折關(guān)系。根據(jù)句意可知前后句是轉(zhuǎn)折關(guān)系，前句表示讓步條件；故選C。45． you must go and play football，at least wait until school is over．A．If B．Whether C．Unless D．So that【答案】A【解析】【詳解】句意：如果你必須去踢足球，至少等到放學(xué)．A如果．B是否．C除非．D以便．結(jié)合語境___你必須去踢足球，至少等到放學(xué)．．可知，用if引導(dǎo)條件狀語從句．意思是如果。故選A．46． Excuse me. Is it my turn now? Not yet. Please wait outside ________ your name is called.A．untilB．sinceC．so【答案】A【解析】句意： 打擾一下。 輪到我了嗎？ 還沒。請在外面等直到你的名字被叫到。until用于肯定句中，意為“到…為止”，表示動作一直持續(xù)到所說時間為止，本句就是說“到名字被叫到為之，請一直等待”，前半句和后半句中不存在因果關(guān)系，排除C，也沒有表示“自從”的意味，排除B，故選A。47． the journey was tiring，Jeff thought it was worth both the time and the money.A．As B．Since C．Unless D．Although【答案】D【解析】【詳解】句意：雖然旅途很累，杰夫認為時間和金錢都值得。A. As當(dāng)……的時候；B. Since 自從；C. Unless除非；D. Although盡管。根據(jù)下文Jeff thought it was worth both the time and the ，這里用Although引導(dǎo)。根據(jù)題意，故選D。48．Has the meeting begun yet？Not yet． We have to wait everyone is here．A．a(chǎn)nd B．until C．or D．but【答案】B【解析】【詳解】考查連詞用法。句意：—會議已經(jīng)開始了嗎？—不，還沒有。我們必須等到大家都到齊了。and和；until直到；or或者、否則，but但是。根據(jù)題干可知我們得等到大家都到了，這里表示直到……時候用until．故選B．49．______ many children like KFC, I think they’d better try not to eat it too often.A．Because B．When C．Although D．If【答案】C【解析】考查從句的知識。句意“盡管很多孩子喜歡吃KFC，單數(shù)我認為他們最好不要經(jīng)常吃?！眀ecause引導(dǎo)原因狀語從句；when引導(dǎo)時間狀語從句；although引導(dǎo)讓步狀語從句；if引導(dǎo)條件狀語從句。題目表示的是讓步。故選C。50．—We can’t be successful ________ we keep working hard. —I agree with you.A．if B．unless C．because D．when【答案】B【解析】【詳解】句意：——除非我們堅持努力工作，我們不能成功?！?—我同意你。考查連詞。；；；……時候，由于。根據(jù)句意可知選B。