【正文】 e dangerous.A．a(chǎn)fter B．unless C．if D．while【答案】B【解析】句意：——冬泳是令人興奮的，但除非他或她接受了一些訓(xùn)練，否則是不行的。 ——如果不下雨，她就會(huì)來(lái)。表目的。 常見(jiàn)的有以下四種情況：一、條件狀語(yǔ)從句的主句是一般將來(lái)時(shí)，那么從句常常用一般現(xiàn)在時(shí) 如： When I grow up, I’ll be a nurse and look after patients 我長(zhǎng)大后要當(dāng)一名護(hù)士，照顧病人二、如果主句是祈使句，那么從句通常要用一般現(xiàn)在時(shí) 如：Don’t laugh at me when I make a mistake. 我犯錯(cuò)誤的時(shí)候不要笑話我。18．We all know that we won39。17．I waited _________ it stopped raining．A．if B．since C．unless D．until【答案】D【解析】【詳解】句意：我會(huì)等下去，直到雨停?？疾檫B詞辨析。本句是原因狀語(yǔ)從句，前果后因；根據(jù)句意結(jié)構(gòu)和語(yǔ)境，可知選A。我馬上去睡覺(jué)。m free.So do I. I think we can enjoy something beautiful on the trainA． before B．when C． after D． though【答案】B【解析】【詳解】句意：當(dāng)我有空的時(shí)候，我通常選擇乘火車(chē)去旅行。unless引導(dǎo)條件狀語(yǔ)從句時(shí),其謂語(yǔ)要用現(xiàn)在時(shí)表示將來(lái)意義。however 然而，無(wú)論怎樣；whenever 無(wú)論什么時(shí)候；whoever 無(wú)論是誰(shuí)；whatever 無(wú)論什么?？疾闀r(shí)態(tài)。unless如果不，除非，引導(dǎo)條件狀語(yǔ)從句；when當(dāng)……時(shí)候，引導(dǎo)時(shí)間狀語(yǔ)從句；even though盡管，引導(dǎo)讓步狀語(yǔ)從句；so that以便，因此，結(jié)果，引導(dǎo)目的或結(jié)果狀語(yǔ)從句。A. after在……以后，表時(shí)間；B. until直到，表時(shí)間；C. because因?yàn)?，表原因；D. although盡管，表讓步?？键c(diǎn)：考查連詞的用法2．She eats icecream a lot, ________it isn39。根據(jù)句意可知，譯為“只要我們合理使用他們”，表示條件，故選B?！叭绻弧蓖Ｖ梗闆r會(huì)繼續(xù)。7．He has made great progress his mother is very pleased with him.A．so；that B．enough；to C．so；too D．such；that【答案】D【解析】【詳解】句意：他已經(jīng)取得了如此大的進(jìn)步以至于他的媽媽對(duì)他非常滿意。除非有更強(qiáng)有力的法律制定出來(lái)，否則情況會(huì)越發(fā)惡劣。You will miss the bus unless you hurry up．你要不快點(diǎn)就會(huì)錯(cuò)過(guò)班車(chē)。12．—Ling ling, you39。他們長(zhǎng)時(shí)間很累，因?yàn)樗麄兠τ诠ぷ?，每天很少鍛煉。if如果，表?xiàng)l件；until直到，表時(shí)間，多與not連用表示“直到……才”；when什么時(shí)候，表時(shí)間；since自從，用于表示一段時(shí)間。so/such…that是固定結(jié)構(gòu)，表示“如此……以至于”，引導(dǎo)結(jié)果狀語(yǔ)從句，可排除AD兩項(xiàng)。考查連詞。只有D項(xiàng)符合題意。A. unless除非；B. until直到；C. although雖然；D. as long as只要。到了5G時(shí)代，網(wǎng)速將是4G的100倍。24．Can students go online during lessons?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。26．She is so pleased with _____ he has done _____ she keeps praising him.A．what。A. ever since自從；B. although雖然、盡管；C. as soon as一…就 that B．so。我一上車(chē)，車(chē)就開(kāi)動(dòng)了。根據(jù)句意故選B。if是否，如果；unless除非，如果不；though雖然，盡管；because因?yàn)椤?leaving B．to turn。when doing 。——是的。；；；?？芍昂蟊硎咀尣疥P(guān)系，故用連詞although，故選C。A. as long as只要，引導(dǎo)條件狀語(yǔ)從句；B. as soon as一……就……，引導(dǎo)時(shí)間狀語(yǔ)從句；C. now that既然，表原因；D. so that以便，引導(dǎo)目的狀語(yǔ)從句或結(jié)果狀語(yǔ)從句?？疾檫B詞辨析。故選A．47． Square Dancing is good exercise for the old, sometimes it makes a lot of noise.A．IfB．AlthoughC．UntilD．Because【答案】B【解析】【詳解】句意：雖然廣場(chǎng)舞對(duì)老年人來(lái)說(shuō)是很好的運(yùn)動(dòng)，但有時(shí)也會(huì)制造很大的噪音。表示結(jié)果；C. so that 以便，為了，表示目的；D. even though盡管，即使，表示條件。anythingif是否，如果；because因?yàn)椋籥fter在......之后；until直到。50．Without umbrellas, the tourists didn39。it_______故選A。D. Because連詞，因?yàn)椋龑?dǎo)原因狀語(yǔ)從句。根據(jù)句意可知前后句是轉(zhuǎn)折關(guān)系，前句表示讓步條件；故選C。43．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。41．I think he’s been drinking, _________ I’m not pletely sure.A．if B．though C．until D．a(chǎn)s【答案】B【解析】if “如果、是否”；though “雖然；盡管”；until是“直到……才……”；as “由于、因?yàn)椤?。故選B。care關(guān)心，是動(dòng)詞；careful認(rèn)真的，是形容詞；more carefully更認(rèn)真地；carefully認(rèn)真地。37．If you study hard, you ________ into a good senior high school.A．got B．will get C．get【答案】B【解析】【詳解】考