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至少等到放學(xué)..可知,用if引導(dǎo)條件狀語(yǔ)從句.意思是如果。句意:如果你有問(wèn)題,給你的老師說(shuō)說(shuō),你就會(huì)得到幫助??键c(diǎn):考查連詞辨析20.— Harry Potter is an interesting novel I want to read it again.— I agree with you.A.so。 to C.such。 as【答案】C【解析】【詳解】句意:——哈利——我同意你的看法。as+形容詞或副詞原級(jí)+ as意思是“與……一樣”,用于原級(jí)比較?!军c(diǎn)睛】so…that…引導(dǎo)結(jié)果狀語(yǔ)從句,so后面加形容詞或副詞,其意為“如此……以至于……”。2) He ran so fast that I couldn’t catch up with him. 他跑得那么快,我沒(méi)趕上他。如:They got up early so that they could catch the early bus. 為了能趕上早班車,他們?cè)缭缇推鸫擦恕km然它很舊,但它仍然運(yùn)行良好。A. Because因?yàn)椋龑?dǎo)條件狀語(yǔ)從句,前后句是因果關(guān)系;B. Since自從……以來(lái),引導(dǎo)時(shí)間狀語(yǔ)從句;C. Although雖然,盡管,引導(dǎo)讓步狀語(yǔ)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。22.________ jeans were invented over 100 years ago, they39??疾檫B詞辨析。結(jié)合句意,牛仔褲被發(fā)明了100多年,現(xiàn)在仍然流行??键c(diǎn):考查連詞的用法。本題的含義為馬丁和他的朋友們不能吃完點(diǎn)購(gòu)的所有食物,因此他們把剩余的帶走。24.Many people still try to climb Qomolangma every year _______ it is very dangerous.A.when B.if C.though【答案】C【解析】句意:每年許多人仍然努力登上珠穆朗瑪峰,盡管它是非常危險(xiǎn)的。結(jié)合句意,可知盡管危險(xiǎn),人們還在攀登珠穆朗瑪峰,表示讓步關(guān)系,故用連詞though。25.To make your DIY work perfect, you’d better not start ___________ you get all the tools ready.A.when B.while C.before D.a(chǎn)fter【答案】C【解析】【詳解】句意:為了讓你的DIY作品完美,你最好在你把所有的工具都準(zhǔn)備好前不要開(kāi)始。所以選C。此題考查狀語(yǔ)從句。27.—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed _____ 12 o’clock last night.A.until B.when C.though D.unless【答案】A【解析】本題符合not才,故選答案為A28.We don39。本題考查連詞。 直到…才。C. when當(dāng) 從…以來(lái)。才不29.Thefans______heardexcitingthough B.inthatC.a(chǎn)sas D.a(chǎn)sas【答案】C【解析】【詳解】句意“足球迷一聽(tīng)到這個(gè)令人興奮的消息就歡呼起來(lái)”。根據(jù)句意可知,譯為“足球迷一聽(tīng)到這個(gè)令人興奮的消息就歡呼起來(lái)”,引導(dǎo)時(shí)間狀語(yǔ)從句。30. He made a mistake, but then he took action to change the situation ________ it got worse.A.until B.when C.before D.because【答案】C【解析】試題分析:句意:他犯了一個(gè)錯(cuò)誤,但他在它變得更糟前采取了行動(dòng)改變現(xiàn)狀。時(shí);before在根據(jù)句意可知選C。