【正文】 . since自從；根據(jù)Little Jack has learned to do lots of things on his own , 和he is only four years ，所以用 though 引導(dǎo)讓步狀語從句；故選B41．My grandfather does Chinese Kung Fu every day _________ he is over eighty.A．since B．though C．until【答案】B【解析】句意：我爺爺每天練中國功夫，盡管他80多了。A. since 自從，因為； B. though盡管； C. until直到；根據(jù)My grandfather does Chinese Kung Fu every day和he is over ,盡管；故選B42．Helen was very rude to me. I refuse to speak to her again __________ she says sorry.A．until B．if C．because D．since【答案】A【解析】【詳解】句意：海倫對我粗魯，我拒絕跟她再次說話，直到她向我道歉為止?？疾檫B詞辨析。until 直到……才；if 如果；because 因為；since 自從，既然。結(jié)合句意可知，此句是until引導(dǎo)的時間狀語從句，故答案選A。43． Talk to your teacher and you will get help ________ you have a problem.A．unless B．ifC．until D．so【答案】B【解析】試題分析：unless除非，如果不； if是否，如果；until直到；So因此。句意：如果你有問題，給你的老師說說，你就會得到幫助。故選B?？键c(diǎn)：考查連詞辨析44．He didn’t go to school yesterday _______ he was ill.A．because B．because of C．if D．so【答案】A【解析】【詳解】句意：他昨天沒去上學(xué)，因為他病了。本題的含義是昨天他沒有去上學(xué)，“他病了”應(yīng)該是他沒上學(xué)的原因，because后跟原因從句，because of后跟單詞或短語，if如果后接條件狀語從句，so因此。故選A。45． 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。46．Helendidn39。tknowanythingaboutit_______herfathertoldher.A．if B．because C．a(chǎn)fter D．until【答案】D【解析】【詳解】句意：直到她的父親告訴她，她才知道關(guān)于它的一些事情?？疾檫B詞辨析。if是否，如果；because因為；after在......之后；until直到。短語not ...until...意為“直到......才......”,故選D。47．She stopped talking her mother came into the room.A．a(chǎn)s soon as B．unless C．though【答案】A【解析】句意：她媽媽一進(jìn)到房間里，她就停止了說話。A. as soon as 一就； B. unless 除非； C. though盡管；這里是考察連詞，根據(jù)She stopped talking 和her mother came into the ，可知是媽媽一進(jìn)到房間里，她就停止了說話；故選A48．______ 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(rèn)為他們最好不要經(jīng)常吃。”because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。49．He was so busy preparing for the high school entrance exam that .A．he had enough time to watch football matches every dayB．he was free enough to go shopping onlineC．he had no time to do sports every day【答案】C【解析】【詳解】句意：他忙于準(zhǔn)備高中入學(xué)考試，以至于他每天都沒有時間做運(yùn)動?？疾榻Y(jié)果狀語從句。A. 他每天有足夠的時間看足球比賽；B. 他有足夠的時間去網(wǎng)上購物；。本句是“so…that”結(jié)構(gòu)，表示“如此……以至于……”，引導(dǎo)結(jié)果狀語從句；根據(jù)“He was so busy preparing for the high school entrance exam”可知沒有時間娛樂、購物或做運(yùn)動，A、B兩項不合句意，故選C。50．—His handwriting is very careful.—Yeah. With the help of him, his sister writes as ________ as him.A．care B．carefulC．more carefully D．carefully【答案】D【解析】試題分析：句意：——他的書寫非常認(rèn)真?！堑摹Ｔ谒膸椭?，他的妹妹寫得和他一樣認(rèn)真。care關(guān)心，是動詞；careful認(rèn)真的，是形容詞；more carefully更認(rèn)真地；carefully認(rèn)真地。as+形容詞的原級+as“和……一樣”，修飾動詞write，故用副詞carefully，故選D?？键c(diǎn)：考查副詞的用法。