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st _______ I couldn’t hear her very clearly.A.which B.that C.when D.since【答案】B【解析】考查從句的連接詞。所以選B。19.Chen Wei isn’t at school today ________ he is taking a robot petition in Shanghai.A.so B.because C.before D.if【答案】B【解析】試題分析:句意:陳煒今天不在學(xué)校因?yàn)樗谏虾⒓訖C(jī)器人競(jìng)賽。A. Because因?yàn)?,引?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。雖然它很舊,但它仍然運(yùn)行良好。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?) He ran so fast that I couldn’t catch up with him. 他跑得那么快,我沒(méi)趕上他?!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……”。as+形容詞或副詞原級(jí)+ as意思是“與……一樣”,用于原級(jí)比較?!彝饽愕目捶ā?as【答案】C【解析】【詳解】句意:——哈利 to C.such?!究键c(diǎn)定位】考查連詞辨析17.— Harry Potter is an interesting novel I want to read it again.— I agree with you.A.so。if是否,如果;unless除非,如果不;though雖然,盡管;because因?yàn)?。本句是“not …until”結(jié)構(gòu),根據(jù)句意結(jié)構(gòu)和語(yǔ)境,可知選B。考查連詞辨析。m sure dreams don39。since后跟時(shí)間狀語(yǔ)從句時(shí),表示的是到目前為止的時(shí)間段,從句時(shí)態(tài)為一般過(guò)去時(shí),而主句的時(shí)態(tài)為現(xiàn)在完成時(shí),故正確答案為A。14.Tony has had to cook by himself ________ his mother went on business to Guangzhou.A.since B.a(chǎn)fter C.during D.when【答案】A【解析】【詳解】句意:自從媽媽去廣州出差以來(lái),托尼不得不自己做飯。though雖然,盡管;unless除非;because因?yàn)?;if是否,如果。13.Did you call Sara back ? I didn’t need to ,_____ we’ll have a meeting together tonight.A.though . B.unless C.because D.if【答案】C【解析】【詳解】句意:——你給薩拉回電話了嗎?——我不需要給薩拉回電話,因?yàn)槲覀兘裢硪黄鹩袀€(gè)會(huì)議。A.. since自從;B.. because因?yàn)?;C.. unless如果不;D. .until直到……才。而英語(yǔ)狀語(yǔ)從句的時(shí)態(tài)與主句有比較緊密的聯(lián)系,若主句為一般將來(lái)時(shí),時(shí)間和條件狀語(yǔ)從句通常要用一般現(xiàn)在時(shí)表示將來(lái),而不能直接使用將來(lái)時(shí)態(tài)。下文是條件狀語(yǔ)從句,當(dāng)主句為一般將來(lái)時(shí)態(tài)時(shí),條件狀語(yǔ)從句中用一般現(xiàn)在時(shí)態(tài)表示將來(lái)的動(dòng)作,結(jié)合語(yǔ)境可知選D?!堑?,但是如果下雨,我們就會(huì)去參觀博物館。 will rain D.will have。 will rain B.have。11.—Tom wants to know if you ___ a piic next Sunday.—Yes. But if it ___, we39。10.Now most families have only one child _____ our cou