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nese 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B41.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。42.When you are in your school dining hall during lunchtime, you may feel lonely _______ you can find someone to have lunch with.A.if B.unlessC.a(chǎn)fter D.because【答案】B【解析】【分析】【詳解】句意:當(dāng)你在學(xué)校食堂吃午飯的時候,你可能會感到孤獨,除非你能找個人一起吃午飯??疾檫B詞用法辨析。if如果,unless除非,都表條件;after表時間,because表原因。本句前后句是條件關(guān)系,可排除CD兩項。根據(jù)句意可知if不合句意,故選B。43.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。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. Can students go online during lessons? They can ________ it is for that lesson.A.ifB.orC.soD.but【答案】A【解析】句意:——學(xué)生可以在課上上網(wǎng)嗎?——如果是為了上課,他們可以上網(wǎng)。考查連詞辨析題。if如果,表條件;or或者,表選擇;so所以,表結(jié)果;but但是,表轉(zhuǎn)折。答句是條件狀語從句,需用if連接。根據(jù)句意結(jié)構(gòu),可知選A。46.—Betty, do you know if Tony ______ the photo petition?—He will, if he ______ his project on Australia.A.enters。 finishes B.enters。 will finishC.will enter。 finishes D.will enter。 will finish【答案】C【解析】【詳解】句意:貝蒂,你知道托尼是否要參加攝影比賽?他會的,如果他完成了有關(guān)澳大利亞的課題。問句中if引導(dǎo)的是賓語從句,翻譯為是否,前者問的是將來;答語是由if引導(dǎo)的條件狀語從句,所以遵循主將從現(xiàn)的原則,所以if之后用一般現(xiàn)在時。所以答案選C。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.I39。m sure dreams don39。t work you do.A.if B.until C.when D.since【答案】B【解析】【詳解】句意:我相信夢想在你做之前是不會實現(xiàn)的??疾檫B詞辨析。if如果,表條件;until直到,表時間,多與not連用表示“直到……才”;when什么時候,表時間;since自從,用于表示一段時間。本句是“not …until”結(jié)構(gòu),根據(jù)句意結(jié)構(gòu)和語境,可知選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.___________ she couldn’t see his face, she could tell by his voice that he was young.A.Unless B.If C.Because D.Though【答案】D【解析】【詳解】句意:雖然她看不見他的臉,但是她能夠通過聲音分辨出他很年輕。A. Unless除非;B. If如果;C. Because因為;D. Though盡管。根據(jù)語境以及上下文,本題考查的是連詞的用法。結(jié)合句意可知,在這里兩個句子之間存在一個相反的讓步關(guān)系,though/although/even though雖然;盡管,引導(dǎo)讓步狀語從句,符合句意。故答案選D。