【正文】
根據(jù)上下文的聯(lián)系確定所使用的連詞。故選B。when什么時(shí)候;unless除非;while當(dāng)……時(shí)候;if如果,根據(jù)—— Is your WeChat account (賬戶(hù)) safe?—Yes,D.whileB.when30.—Is your WeChat account (賬戶(hù)) safe? —Yes, even my father can39。 【點(diǎn)評(píng)】考查連詞辨析。A 不是……而是……,B 不僅……而且……,C 兩者都不,D 兩者之一不。either。neither。not only。not。注意識(shí)記while的詞義和用法。此處表示“讀書(shū)”和“做作業(yè)”兩個(gè)動(dòng)作同時(shí)發(fā)生,故排除B,when引導(dǎo)時(shí)間狀語(yǔ)從句,主句用過(guò)去進(jìn)行時(shí),從句常用一般過(guò)去時(shí),而while當(dāng)……時(shí)候,引導(dǎo)時(shí)間狀語(yǔ)從句時(shí),謂語(yǔ)動(dòng)詞為持續(xù)性動(dòng)詞,且常和進(jìn)行時(shí)連用,故選C。C.as soon as28.— What were you and your father doing at 7:00 yesterday evening? — I was doing my homework _______________ my father was reading newspapers.A. 【點(diǎn)評(píng)】考查并列連詞辨析?!?;……也不;……要么。它們不是太大就是太小。either。 norB.not only。27.— How do you like the two pairs of shoes? — They don39。such+名詞+that,如此......以至于,引導(dǎo)結(jié)果狀語(yǔ)從句,so+形容詞+that,如此......以至于,引導(dǎo)結(jié)果狀語(yǔ)從句,too+形容詞+to do,太......而不能,interesting是形容詞 , 故選B。very。too。so。such。26.Mr. Hu39。 【點(diǎn)評(píng)】考查連詞辨析。A: until直到......才(為止); B: as soon as一......就...... C: while當(dāng)......時(shí),后接持續(xù)性動(dòng)詞。C.B.25.Please give me a call ________________ you e back. A. 【點(diǎn)評(píng)】考查并列連詞辨析。根據(jù)下文 And they sing soft songs very well. 和上句的謂語(yǔ)動(dòng)詞like,可知他們都喜歡聽(tīng)輕音樂(lè)。 but【答案】 A 【解析】【分析】句意:安娜和她哥哥都喜歡聽(tīng)輕音樂(lè)。D. orC. norB. and24.______________ Anna ______________ her brother like listening to soft music. And they sing soft songs very well. A.A盡管,B除非,C因?yàn)椋珼直到,根據(jù)山里經(jīng)常很冷和你需要穿暖和的衣服,可知是讓步關(guān)系,故是though , 故選C。Until【答案】 C 【解析】【分析】句意:C.Unless23.______________ it is often cold in the mountains, you need to wear warm clothes. A.s much greener,可知上下文之間有遞進(jìn)關(guān)系,故答案為D。此外,它更環(huán)保,因?yàn)樗褂秒娏?。D.Even thoughWhat39。s much greener because it uses electricity. A.注意固定短語(yǔ)not...until...的使用。as soon as,一……就……;if,如果;while,當(dāng)……時(shí)候;until,直到,not...until...,直到……才……,故選D。D.whileB.as soon as21.Jenny didn39?!军c(diǎn)評(píng)】考查短