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s?They can’t ________ it is for that lesson.A.if B.unless C.until D.while【答案】B【解析】【詳解】句意:——學(xué)生上課時(shí)能上網(wǎng)嗎?他們不可以,除非為了上那堂課。答語(yǔ)是條件狀語(yǔ)從句,根據(jù)句意結(jié)構(gòu)可知,需要unless連接,故選B。 until B.When。 not until D.How often。how long多長(zhǎng)(問(wèn)時(shí)間長(zhǎng)短以及長(zhǎng)度);when何時(shí); soon多久(后接一般將來(lái)時(shí),且用in+一段時(shí)間回答);how often多久一次(問(wèn)頻率)。7.Hi, Kate, would you like to hang out with me this afternoon?I’m afraid not. I can’t go out I finish my report.A.when B.unless C.if【答案】B【解析】【詳解】句意:嗨,凱特,今天下午你愿意和我一起逛街嗎?我恐怕不行。考查連詞辨析。根據(jù)句意可知后句表示否定條件,可知填unless;選B。while當(dāng)……的時(shí)候,表時(shí)間;until直到,表時(shí)間;after在……之后,表時(shí)間;unless除非,表?xiàng)l件。9.We’ll go to the farm and help the farmers with the applepicking if it ______tomorrow.A.isn’t rain B.will be rainy C.doesn’t rain D.is raining【答案】C【解析】【詳解】句意:如果明天不下雨我們將會(huì)去農(nóng)場(chǎng)幫農(nóng)民摘蘋果。根據(jù)題干We’ll go to the farm and help the farmers with the applepicking if it ,if引導(dǎo)的條件狀語(yǔ)從句,主句用將來(lái)時(shí),從句需用一般現(xiàn)在時(shí),句意是“明天不下雨”,rain是實(shí)意動(dòng)詞,主語(yǔ)是it,變否定用助動(dòng)詞doesn’t?!军c(diǎn)睛】主將從現(xiàn)是指在時(shí)間狀語(yǔ)從句和條件狀語(yǔ)從句中,如果主句是一般將來(lái)時(shí),從句用一般現(xiàn)在時(shí)替代一般將來(lái)時(shí)。三、如果主句是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí),根據(jù)需要從句多用一般現(xiàn)在時(shí) 如:You should be quiet when you are in the reading room 在閱覽室時(shí)應(yīng)保持安靜 四. 如果if的條件狀語(yǔ)從句遇到變換間接和直接時(shí) , 祈使句應(yīng)用not to.... 如??疾楣潭ńY(jié)構(gòu)辨析。so修飾形容詞或副詞,such修飾名詞或名詞性短語(yǔ)。11.一Last night I went to a concert of Chinese folk music. Erquan Yingyue was so sad but beautiful that I sensed a strong sadness and pain under the beauty.一So it was. The musician who played it last night to play the erhu since he very young.A.learned。 amC.has learned。 has been【答案】C【解析】句意:昨晚我去聽(tīng)了一場(chǎng)中國(guó)民間音樂(lè)會(huì)。的確是這樣。Since引導(dǎo)的時(shí)間狀語(yǔ)從句,從句是一般過(guò)去式,主句用現(xiàn)在完成時(shí);故選C。so所以;because因?yàn)?;before在……之前;if如果??键c(diǎn):考查連詞。考查連詞。從句子之間的關(guān)系來(lái)說(shuō),表示目的,所以要用“目的狀語(yǔ)從句”,故本題選D。A. since從……以來(lái);B. after在……之后;C. during 在……期間;D. when當(dāng)……時(shí)候。15.____ I was in the US, I made a lot of American friends.A.While B.Although C.Unless D.Until【答案】A【解析】【詳解】句意:當(dāng)我在美國(guó)的時(shí)候,我交了很多美國(guó)朋友。while當(dāng)…