【正文】 while前后連接兩個(gè)進(jìn)行時(shí)態(tài)的句子。所以選B。用作副詞，修飾形容詞和副詞。 such D．such。 such B．such。（引導(dǎo)時(shí)間狀語從句）；B. 在……之后（引導(dǎo)時(shí)間狀語從句）；……時(shí)候（引導(dǎo)時(shí)間狀語從句）；（引導(dǎo)時(shí)間狀語從句）。48．Remember to keep the dog on a leash （狗鏈）________ you walk it, honey!Sure. I won’t let it hurt others.A．until B．a(chǎn)fter C．while D．since【答案】C【解析】【詳解】句意“寶貝，當(dāng)你遛狗時(shí)記得給狗拴上鏈子。 will e D．es。 t know if Sam tomorrow.—Don39。While當(dāng)…時(shí)候，引導(dǎo)時(shí)間狀語從句，從句中的謂語動(dòng)詞應(yīng)該是延續(xù)性的；When當(dāng)…時(shí)候，引導(dǎo)時(shí)間狀語從句，從句中謂語動(dòng)詞可以是延續(xù)性的，也可以是瞬間性的；through穿過，通過；around周圍。46．________ I came back home yesterday, my mother was looking ________ a magazine.A．While。s go climbing Langshan Mountain this Saturday __________ the weather is fine.Good idea!A．though B．if C．unless【答案】B【解析】【詳解】句意“如果天氣好，周六我們?nèi)ヅ缻~山吧?？疾榻Y(jié)果狀語從句。假期開始，指時(shí)間，用as soon as：一放假就去參觀有趣的地方。43．My family always go somewhere interesting the holiday begins.A．a(chǎn)s soon as B．soC．so that D．even though【答案】A【解析】試題分析：句意：一放假，我們家總是去一些有趣的地方。42．The teacher speaks very loudly all the students can hear her.A．so that B．because C．since D．when【答案】A【解析】【詳解】句意：為了讓所有學(xué)生都能聽見她，老師講得非常大聲。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??！珱]人知道那天會(huì)不會(huì)下雨。 will rain B．will be fine。；；；。第一空后是形容詞，so后跟形容詞或副詞，such后面跟名詞，故選C。 that【答案】C【解析】【分析】【詳解】句意：中國(guó)達(dá)人秀如此的有趣以至于許多人喜歡看這個(gè)節(jié)目。38．China’s Got Talent is ________ interesting ________ many people like watching it.A．too。37．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。上一句句意：杰克，離開臥室時(shí)記得關(guān)燈。 left D．to turn?？键c(diǎn)：考查連詞。35．Pandas are facing danger!The situation won’t change humans stop killing.A．unless B．though C．if D．a(chǎn)fter【答案】A【解析】試題分析：句意：熊貓面臨危險(xiǎn)。是的，只要我們勇敢的走出去，我們就會(huì)發(fā)現(xiàn)它并不是這么難。33． Laura opened the door and rushed into the rain _______ I could stop her.A．until B．a(chǎn)fter C．before D．unless【答案】C【解析】試題分析：句意：蘿拉打開門，在我能阻止她之前她沖進(jìn)了雨中。故選C。A. so that以便；結(jié)果是，以致于；B. ever since自從；自…以后；從…起；C. as soon as一…就…； D. even though即使，縱然。 A. unless 除非； B. once 一次；C. since 因?yàn)椋?D. after 在…之后，根據(jù)題意可知此句是unless引導(dǎo)的條件狀語從句，故選A。才 從…以來。C. when當(dāng)本題考查連詞。本句是條件狀語從句，需用if連接，而because表原因，though表讓步，都可排除。27．– Thank you for telling me so much knowledge about nature.–Don’t mention it. ______ you have more questions, e to me any time.A．IfB．BecauseC．Though【答案】A【解析】句意：——謝謝你告訴我這么多關(guān)于自然的知識(shí)?！?—我同意你。so/such…that是固定結(jié)構(gòu)，表示“如此……以至于”，引導(dǎo)結(jié)果狀語從句，可排除AD兩項(xiàng)。所以選C。 will ring【答案】C【解析】試題分析：句意：恐怕課已經(jīng)開始了。24．—I’m afraid the class has begun.—Don’t worry. It ________ until the bell ________.A．doesn’t begin。考點(diǎn)：考查連詞。第一句為感嘆句，是對(duì) a good time表示感嘆，time為名詞，所以用what來引導(dǎo)，第二句考查such+a/an+adj+n.+that句型結(jié)構(gòu)，表示“如此……的一個(gè)東西……以至于”，故選C。 so B．How。是的，他對(duì)音樂很瘋狂”。19．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?！獩]問題。17．Where is the ic book?I brought it to you ________you were in the reading room yesterday.A．when B．if C．becaus