We don’t know how important something is _______ we lose it.

A. or B. until C. as soon as D. after

B 【解析】句意：我們不知道什么東西有多重要，直到失去它�？疾楣潭ù钆�。A. or或者；B. until直到；C. as soon as一…就…；D. after在…之后。根據(jù)句意結(jié)合關(guān)鍵詞don’t ，可知判斷出此句應(yīng)用固定表達(dá)“not…until” 來完成，意為“直到…才”引導(dǎo)一個(gè)時(shí)間狀語從句，故答案選B。

--- How long have you read this book? --- _________ I finished my homework.

A. Until B. As soon as C. Since D. When

C 【解析】句意：——你讀這本書多久了？——自從我完成我的家庭作業(yè)。考查連詞用法。A. until直到，后接時(shí)間點(diǎn)，常用于一般過去時(shí)；B. as soon as一…就…，引導(dǎo)時(shí)間狀語從句；C. since后面加時(shí)間點(diǎn)，用于完成時(shí)；D. when當(dāng)…時(shí)候，連詞，后接句子，引導(dǎo)時(shí)間狀語從句。根據(jù)問句How long have you read this book?可知時(shí)態(tài)是現(xiàn)在完成時(shí)，結(jié)合選項(xiàng)可...

We are not sure when the rain ________. When the rain ________, we will go on working.

A. will stop, stops B. stops, will stop C. will stop, will stop D. stops, stops

A 【解析】句意：我們不能肯定雨什么時(shí)候會停。當(dāng)雨停的時(shí)候，我們將繼續(xù)工作�？疾闀r(shí)態(tài)。第一句是when引導(dǎo)的賓語從句，主句是一般現(xiàn)在時(shí)，從句“什么時(shí)候雨將會�！北硎镜氖菍�來的意思就用一般將來時(shí)；第二句為when引導(dǎo)的時(shí)間狀語從句，要遵循主將從現(xiàn)的原則，即主句用一般將來時(shí)，從句要用一般現(xiàn)在時(shí)代替一般將來時(shí)，主語是rain“雨”，不可數(shù)名詞，所以stop要加s；結(jié)合選項(xiàng)可知A選項(xiàng)符合題意，故答案...

When he was _______ university student, he wanted to become _________ NBA player.

A. a, a B. an, an C. a, an D. an, a

C 【解析】句意：當(dāng)他還是一名大學(xué)生的時(shí)候，他就想成為一名NBA球員�？疾楣谠~。第一個(gè)空后面的單詞university的第一個(gè)字母發(fā)音為[ju:]，是以輔音音素開頭的，所以用不定冠詞a；第二個(gè)空后面的單詞NBA的一個(gè)字母發(fā)音為英[en]，是以元音音素開頭的，所以用不定冠詞an；故答案選C。

Scientists say it may be a few years ______it is possible to test the new medicine on

patients.

A. because B. after

C. since D. before

D 【解析】 考查固定句型的應(yīng)用。句意：科學(xué)家說,在能夠?qū)θ祟愡M(jìn)行藥物試驗(yàn)之前,可能要經(jīng)過5或6年．it may be+一段時(shí)間+ before 表示在···之前要經(jīng)過多長時(shí)間。

_________ the children were having fun, the parents were taking photos of them.

A. When B. If C. While D. Once

C 【解析】句意：當(dāng)孩子們玩得開心的時(shí)候，他們的父母給他們拍照�？疾闀r(shí)間狀語從句。A. When當(dāng)…時(shí)候，引導(dǎo)時(shí)間狀語從句；B. If假如、如果，引導(dǎo)條件狀語從句；C. While當(dāng)…時(shí)候、雖然，引導(dǎo)時(shí)間狀語從句；D. Once一旦…就，引導(dǎo)時(shí)間狀語從句。結(jié)合題意：當(dāng)孩子們玩得開心的時(shí)候，他們的父母給他們拍照，此句應(yīng)為時(shí)間狀語從句，強(qiáng)調(diào)“孩子們玩得開心”和“父母給他們拍照”兩個(gè)動作同時(shí)發(fā)生，...

Never give up and you’ll be ___________ in doing almost anything.

A. succeeded B. success C. succeed D. successful

D 【解析】句意：永遠(yuǎn)不要放棄，你會成功地做任何事情。考查形容詞辨析。A. succeeded成功，succeed的過去式和過去分詞，動詞；B. success成功，名詞；C. succeed成功，動詞；D. successful成功的，形容詞。根據(jù)空格前面的系動詞be，可知此處應(yīng)填形容詞修飾，be successful“取得成功”，故答案選D。

Can you tell me how you got all the audience ___________ attention to what you said?

A. pay B. paid C. to pay D. paying

C 【解析】句意：你能告訴我你是怎么讓所有的觀眾都注意到你說的話的嗎？考查非謂語動詞。由題干可知空格處作賓語audience的補(bǔ)足語，get sb.to do sth.讓某人去做某事，pay attention to固定詞組，注意…，故答案選C。

These days, many graduates(大學(xué)畢業(yè)生) usually have to have quite a few interviews to _______ a job that they need to take.

A. try on B. try out for C. try D. have a try on

B 【解析】句意：最近，很多大學(xué)畢業(yè)生不得不參加相當(dāng)多的面試來競爭他們需要的工作。try on試穿，試戴；try out for競爭，參與選拔；try努力；嘗試；have a try on試一試。根據(jù)句意have to have quite a few interviews…可知，大學(xué)畢業(yè)生們參加很多面試是為了競爭他們需要的工作，故應(yīng)選B。

--- Do you know what SOHO means?

--- It means small office and home office. More and more people can work ______ the Internet at home now.

A. with B. across C. through D. by

C 【解析】句意：——你知道SOHO是什么意思嗎？——它指的是小型辦公室和家庭辦公室。越來越多的人現(xiàn)在可以通過網(wǎng)絡(luò)在家里工作了。結(jié)合語境可以推斷這句話表達(dá)的意思是“它指的是小型辦公室和家庭辦公室。越來越多的人現(xiàn)在可以通過網(wǎng)絡(luò)在家里工作了�！彼�以設(shè)空處的介詞短語表達(dá)的意思是“通過網(wǎng)絡(luò)”，應(yīng)該用介詞through，故答案選C。