【正文】 考點(diǎn)：考查連詞的用法。A. before在……之前，引導(dǎo)時(shí)間狀語(yǔ)從句；B. if 如果，引導(dǎo)條件狀語(yǔ)從句；C. though 盡管，雖然，引導(dǎo)讓步狀語(yǔ)從句；D. until直到……引導(dǎo)時(shí)間狀語(yǔ)從句。t use it…可知，這里應(yīng)表示“不告訴他密碼”，故應(yīng)選B。when當(dāng)…時(shí)候；unless除非，如果不；while當(dāng)…時(shí)候；if如果。49．Is your WeChat account （賬戶） safe?Yes, even my father can39。（引導(dǎo)讓步狀語(yǔ)從句）；……就……（引導(dǎo)時(shí)間狀語(yǔ)從句）；（引導(dǎo)條件狀語(yǔ)從句）。通過(guò)分析主從句之間的邏輯關(guān)系可知應(yīng)該選擇引導(dǎo)條件狀語(yǔ)從句的從屬連詞if或unless，再根據(jù)句子所表達(dá)的含義“如果不早點(diǎn)睡，明天就會(huì)感到困”可知unless符合語(yǔ)意，排除if；故答案選B。考查連詞辨析?！玫?媽媽。47．—Ling ling, you39。A. 他每天有足夠的時(shí)間看足球比賽；B. 他有足夠的時(shí)間去網(wǎng)上購(gòu)物；。46．He was so busy preparing for the high school entrance exam that .A．he had enough time to watch football matches every dayB．he was free enough to go shopping onlineC．he had no time to do sports every day【答案】C【解析】【詳解】句意：他忙于準(zhǔn)備高中入學(xué)考試，以至于他每天都沒有時(shí)間做運(yùn)動(dòng)。”。but表示前后是轉(zhuǎn)折關(guān)系；and表示前后并列或遞進(jìn)關(guān)系。所以答案選C。 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(huì)的，如果他完成了有關(guān)澳大利亞的課題。 will finishC．will enter。44．—Betty, do you know if Tony ______ the photo petition?—He will, if he ______ his project on Australia.A．enters。A. unless除非；B. so that以便；C. because因?yàn)?；D. so long as只要。43．What a mess! The sharing bikes are thrown everywhere.Let’s collect and put them in the right place they can be used conveniently.A．unless B．so that C．because D．so long as【答案】B【解析】句意：——真是一團(tuán)糟！共享自行車到處都是。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?？键c(diǎn)：考查連詞。so所以；because因?yàn)?；before在……之前；if如果。是的，我們不需要太多，只要他們品質(zhì)好。40．﹣Friends are like books．﹣Yes，we don39。while后跟進(jìn)行時(shí)態(tài)，主句時(shí)態(tài)是一般現(xiàn)在時(shí)，可知while后面的從句時(shí)態(tài)用現(xiàn)在進(jìn)行時(shí)。考查句子時(shí)態(tài)?？键c(diǎn)：考查連詞辨析39．——Today’s young people can’t live without smart phones.——They keep their hands on the phones wherever they go, even while they meals.A．have B．a(chǎn)re havingC．were having D．will have【答案】B【解析】【詳解】句意：——今天的年輕人沒有智能手機(jī)無(wú)法生活。句意：如果你經(jīng)常使用詞典，你的書寫會(huì)很快提高的。結(jié)合句意可知是unless引導(dǎo)的條件狀語(yǔ)從句，故選B考點(diǎn)：考查連詞的用法。 A. if39。37．Shall we go for a piic in the forest park tomorrow? Yes, it rains heavily.A．if39。A. until直到；B. if如果；C. while當(dāng)……時(shí)；D. as隨著。t cross the road the traffic lights turn green.A．until B．if C．while D．a(chǎn)s【答案】A【解析】【詳解】句意：我們要等交通信號(hào)燈變綠了才能過(guò)馬路。所以選B。until直到；while當(dāng)……的時(shí)候，同時(shí)；before在……之前；after在……之后。故選D。remember to do （未做）；remember doing （已做）?？疾榉侵^語(yǔ)動(dòng)詞。 leaving【答案】D【解析】【詳解】句意：——杰克，記得離開臥室時(shí)把燈關(guān)掉。 leave C．turning。34．—Jack, remember ______ off the lights when _______your bedroom.OK, I won’t forget, Mom.A．turning。此題考查狀語(yǔ)從句。故選B。表示條件；，表示相反的條件；，表示原因；，表示時(shí)間的起點(diǎn)；既然，表示原因。32．There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.A．if B．unless C．because D．since【答案】B【解析】試題分析：句意：印度有越來(lái)越少的老虎。when當(dāng)……時(shí)候，可表示時(shí)間段或時(shí)間點(diǎn)，一般主句使用過(guò)去進(jìn)行時(shí)，從句使用一般過(guò)去時(shí)；while當(dāng)……時(shí)候，而；until直到；after在……以后。t go to bed_____ the work was finished.A．when B．while C．until D．a(chǎn)fter【答案】C【解析】【詳解】句意：他們直到工作完成才睡覺。根據(jù)句意，本句是讓步狀語(yǔ)從句，故選D?？疾檫B詞辨析。結(jié)合下面的回答Yes，說(shuō)明說(shuō)話人趕上了早班車，所以選C。我一