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能摘下口罩,需加not,故選B。30.A【詳解】句意:——Mr Black,家長(zhǎng)會(huì)將會(huì)持續(xù)多長(zhǎng)時(shí)間?——很難說(shuō)。也許還要一個(gè)小時(shí)。A. how long多久,提問(wèn)for+一段時(shí)間;B. how much多少,提問(wèn)不可數(shù)名詞數(shù)量的多少解析:A【詳解】句意:——Mr Black,家長(zhǎng)會(huì)將會(huì)持續(xù)多長(zhǎng)時(shí)間?——很難說(shuō)。也許還要一個(gè)小時(shí)。A. how long多久,提問(wèn)for+一段時(shí)間;B. how much多少,提問(wèn)不可數(shù)名詞數(shù)量的多少;C. how far 多遠(yuǎn),提問(wèn)距離;D. how often多久一次,提問(wèn)頻度。根據(jù)下文It’s hard to say. Maybe one hour more可知上文是提問(wèn)多久用how long提問(wèn)。根據(jù)題意,故選A?!军c(diǎn)睛】how long, how often, how soon三者都可以譯成“多久”。how long用來(lái)提問(wèn)“多長(zhǎng)時(shí)間”,對(duì)“一段時(shí)間的長(zhǎng)短”提問(wèn)時(shí)用,與延續(xù)性動(dòng)詞連用;how often用來(lái)提問(wèn)某動(dòng)作或狀態(tài)發(fā)生的頻率,對(duì)“一段時(shí)間內(nèi)發(fā)生了幾次活動(dòng)”(always,usually, often, never或twice a day等表示頻度的詞或短語(yǔ))提問(wèn)時(shí)用;how soon用來(lái)提問(wèn)某人要“多快”能做好某事,或某事要“多快”能完成,對(duì)“過(guò)多少時(shí)間(就能……)”(in短語(yǔ))提問(wèn)時(shí)用,常用于將來(lái)時(shí)。而how far意思是“多遠(yuǎn)”,對(duì)距離提問(wèn)時(shí)用。例如:How long did you stay there? 你在那兒呆多久?How often do his parents let him watch TV? 他父母多久讓他看一次電視?How soon will her husband e? 她丈夫多久會(huì)回來(lái)?How far is that? 那有多遠(yuǎn)?31.A【詳解】句意:你在這里干什么,寶貝?你必須去睡覺。已經(jīng)很晚了??疾樘厥庖蓡?wèn)詞辨析。What什么;Who誰(shuí);When什么時(shí)候;Where哪里。根據(jù)句中的動(dòng)詞“doing”可知,空處應(yīng)是what解析:A【詳解】句意:你在這里干什么,寶貝?你必須去睡覺。已經(jīng)很晚了??疾樘厥庖蓡?wèn)詞辨析。What什么;Who誰(shuí);When什么時(shí)候;Where哪里。根據(jù)句中的動(dòng)詞“doing”可知,空處應(yīng)是what,什么,作賓語(yǔ)。故選A。32.B【詳解】句意:——十幾歲的時(shí)候,我從學(xué)校到了船上生活?!銜?huì)在海上呆多少天?想家嗎?考查疑問(wèn)詞組辨析。How long多久;How many多少,提問(wèn)可數(shù)名詞復(fù)數(shù);How much多少,提解析:B【詳解】句意:——十幾歲的時(shí)候,我從學(xué)校到了船上生活?!銜?huì)在海上呆多少天?想家嗎?考查疑問(wèn)詞組辨析。How long多久;How many多少,提問(wèn)可數(shù)名詞復(fù)數(shù);How much多少,提問(wèn)不可數(shù)名詞;How soon多快。根據(jù)題干“days”可知這里問(wèn)的是數(shù)量,days是可數(shù)名詞復(fù)數(shù),用How many提問(wèn)。故選B?!军c(diǎn)睛】33.D【詳解】試題分析:句意: William,你的父母多久做一次鍛煉? How often 譯為為多久一次,how long 是多久了,是對(duì)時(shí)間段提問(wèn),how much 可以對(duì)不可數(shù)名詞數(shù)量進(jìn)解析:D【詳解】試題分析:句意: William,你的父母多久做一次鍛煉? How often 譯為為多久一次,how long 是多久了,是對(duì)時(shí)間段提問(wèn),how much 可以對(duì)不可數(shù)名詞數(shù)量進(jìn)行提問(wèn),譯為多少,how soon 多久才,對(duì)一般將來(lái)時(shí)進(jìn)行提問(wèn)。結(jié)合句意可知how often 符合語(yǔ)境,故選D??键c(diǎn):考查疑問(wèn)詞的用法。34.A【詳解】句意:——她需要多少橙汁?——就一點(diǎn)點(diǎn)??疾樘厥庖蓡?wèn)句。How much多少,提問(wèn)不可數(shù)名詞的數(shù)量;How long多長(zhǎng);How many多少,提問(wèn)可數(shù)名詞的數(shù)量;How far多遠(yuǎn)解析:A【詳解】句意:——她需要多少橙汁?——就一點(diǎn)點(diǎn)??疾樘厥庖蓡?wèn)句。How much多少,提問(wèn)不可數(shù)名詞的數(shù)量;How long多長(zhǎng);How many多少,提問(wèn)可數(shù)名詞的數(shù)量;How far多遠(yuǎn);根據(jù)“orange juice”及回答“Just a little.”可知,此處是對(duì)不可數(shù)名詞數(shù)量的提問(wèn),應(yīng)用how much,故選A。35.D【詳解】句意:——從上海到你的家鄉(xiāng)有多遠(yuǎn)?——嗯,坐高鐵大約要四個(gè)小時(shí)??疾樘厥庖蓡?wèn)句。how long多長(zhǎng);how often多久一次;how soon多久以后;how far多遠(yuǎn)。根據(jù)“解析:D【詳解】句意:——從上海到你的家鄉(xiāng)有多遠(yuǎn)?——嗯,坐高鐵大約要四個(gè)小時(shí)??疾樘厥庖蓡?wèn)句。how long多長(zhǎng);how often多久一次;how soon多久以后;how far多遠(yuǎn)。根據(jù)“it is about four hours’ highspeed rail ride”可知,對(duì)距離進(jìn)行提問(wèn),用how far引導(dǎo)特殊疑問(wèn)句,故選D。36.A【詳解】句意:——從你的學(xué)校到你家有多遠(yuǎn)?——坐公交車20分鐘??疾樘厥庖蓡?wèn)句。how far多遠(yuǎn);how long多長(zhǎng)時(shí)間;how soon多久;how often多長(zhǎng)時(shí)間一次。根據(jù)“20解析:A【詳解】句意:——從你的學(xué)校到你家有多遠(yuǎn)?——坐公交車20分鐘??疾樘厥庖蓡?wèn)句。how far多遠(yuǎn);how long多長(zhǎng)時(shí)間;how soon多久;how often多長(zhǎng)時(shí)間一次。根據(jù)“20 minutes by bus”可知表達(dá)的是“有多遠(yuǎn)”,用疑問(wèn)詞“how far”。故選A。37.C【詳解】句意:——秦淮燈展一般持續(xù)多長(zhǎng)時(shí)間?——大約50天??疾橐蓡?wèn)副詞短語(yǔ)。How far多遠(yuǎn),用于詢問(wèn)路程的距離;How often多久一次,用于詢問(wèn)事情發(fā)生的頻率;How long多長(zhǎng)解析:C【詳解】句意:——秦淮燈展一般持續(xù)多長(zhǎng)時(shí)間?——大約50天??疾橐蓡?wèn)副詞短語(yǔ)。How far多遠(yuǎn),用于詢問(wèn)路程的距離;How often多久一次,用于詢問(wèn)事情發(fā)生的頻率;How long多長(zhǎng)時(shí)間,用于對(duì)一段時(shí)間提問(wèn);How much多少(錢),用于詢問(wèn)價(jià)格或不可數(shù)名詞的數(shù)量。根據(jù)答語(yǔ)“For about fifty days”大約50天,是時(shí)間段,用How long提問(wèn)。故選C。38.B【詳解】句意:——從濱海到上海有多遠(yuǎn)?——坐高鐵到上海大約需要三個(gè)小時(shí)??疾樘厥庖蓡?wèn)句。How long多長(zhǎng);How far多遠(yuǎn);How soon多久;How many多少。根據(jù)答語(yǔ)可知,此解析:B【詳解】句意:——從濱海到上海有多遠(yuǎn)?——坐高鐵到上海大約需要三個(gè)小時(shí)??疾樘厥庖蓡?wèn)句。How long多長(zhǎng);How far多遠(yuǎn);How soon多久;How many多少。根據(jù)答語(yǔ)可知,此處對(duì)距離提問(wèn),故選B。39.B【詳解】句意:——你買這臺(tái)電腦多久了?——兩個(gè)月。考查特殊疑問(wèn)句。how much多錢;how long多久;how far多遠(yuǎn);how often多久一次。根據(jù)答語(yǔ)“For two mon解析:B【詳解】句意:——你買這臺(tái)電腦多久了?——兩個(gè)月??疾樘厥庖蓡?wèn)句。how much多錢;how long多久;how far多遠(yuǎn);how often多久一次。根據(jù)答語(yǔ)“For two months.”可知,是對(duì)時(shí)間段進(jìn)行提問(wèn),用疑問(wèn)詞how long,故選B。40.B【詳解】句意“你在這里工作了多長(zhǎng)時(shí)間了??jī)H僅1個(gè)月”。(問(wèn)頻率);(問(wèn)時(shí)間長(zhǎng)短和長(zhǎng)度);(后接一般將來(lái)時(shí),且用in+一段時(shí)間回答);(問(wèn)數(shù)量,后接不可數(shù)解析:B【詳解】句意“你在這里工作了多長(zhǎng)時(shí)間了??jī)H僅1個(gè)月”。(問(wèn)頻率);(問(wèn)時(shí)間長(zhǎng)短和長(zhǎng)度);(后接一般將來(lái)時(shí),且用in+一段時(shí)間回答);(問(wèn)數(shù)量,后接不可數(shù)名詞)。根據(jù)For just one month“僅僅一個(gè)月”可知,問(wèn)時(shí)間長(zhǎng)短,用how long,故選B。