2024《奪冠之路》高三一輪人教版英語（安徽專用）：語法專項提升形容詞和副詞　精品課件

　　9．(2010·山東卷)Mothers holding jobs outside the home should have________schedules to make it easier to care for their children. A．heavy 　

　　B．smooth C．flexible 　

　　D．complex 解析：　句意為：在外上班的母親的日程計劃應具有彈性，這樣可使照看孩子更加容易。heavy 重的，過度的；smooth 平滑的；平穩(wěn)的；flexible靈活的，可變動的；complex復雜的：根據后文to make it easier to care for their children 可知此題應選C項。 答案：　C 10．(2010·天津卷)People have always been________about exactly how life on earth began. A．curious　

　　B．excited C．anxious　

　　D．careful 解析：　句意為：人們一直對世界上的生命起源非常好奇。形容詞短語搭配be curious about 對……好奇；excited興奮的；anxious 焦慮的；careful 認真的。 答案：　A 練規(guī)范、練技能、練速度 形容詞和副詞

　　表示倍數的句型： (1)A is＋倍數＋比較級＋than＋B (2)A is＋倍數＋as＋原級＋as＋B (3)A is＋倍數＋the＋名詞(size，length，height 等)＋of＋B (4)A is＋倍數＋that＋of＋B (5)A is＋倍數＋what 引導的名詞性從句

　?、賂his building is three times higher than that one. This building is three times as high as that one. This building is three times the height of that one. 這個建筑物是那個建筑物的3倍高。

　　②The output of this year is 3 times that of 2008. ＝The output of this year is 3 times what it was in 2008. 今年的產量是2008年的三倍。 ③After the new technique was introduced，the factory produced twice as many cars in 2008 as the year before. 自從新技術被引進以后，這家工廠2008年生產的小汽車是上一年的兩倍。

　　1.(2011·福州模擬)When you study the local map，you’ll find this town is________. A．twice the size of that one B．twice as a large town as that C．twice as larger as that one D．twice as larger a town as that 解析：　句意為：當你研究當地的地圖時，你會發(fā)現這座城鎮(zhèn)是那個的兩倍大。倍數的表達方式：A is ＋倍數＋the＋名詞(如size/length)＋of B；B項中不定冠詞位置錯誤；C、D項中as后應用形容詞原級。 答案：　A 2．(2009·遼寧卷)Peter’s jacket looked just the same as Jack’s，but it cost________his. A．as much twice as B．twice as much as C．much as twice as　 D．as twice much as 解析：　倍數表達法是形容詞比較等級中一種很常用的比較級結構。不管用哪種比較級結構來表示比較，表示倍數的詞總是放在比較級結構的最前面。 答案：　B 3．(2009·四川卷)My uncle’s house in the downtown area is much smaller than ours，but it is twice________expensive. A．as　

　　B．so C．too　

　　D．very 解析：　考查倍數表達法。這里的倍數是“twice”，由expensive這一原級可知，這里使用了“as...as...”這一比較結構，在具體的語境中，后面的一個as以及后面的成分可以承前省略，即這里expensive后面省略了as ours。 答案：　A

　　1．“as＋形容詞＋(a/an)＋名詞＋as”表示同級比較，注意中間的形容詞和名詞并列時各自所在的位置。 It is generally believed that teaching is as much an art as it is a science. 人們普遍認為，教學是一門科學，同時也是一門藝術。 2．“as＋形容詞/副詞的原級＋as”與“not as/so＋形容詞/副詞的原級＋as”表示同級比較，即兩個或兩部分人或物在性質上或程度上相同(不同)。 The work is not as/so difficult as you imagine. 這項工作不是像你想像的那么難。 3．“the＋比較級＋of the two ＋名詞”表示“兩者中較……的那個”。 The taller of the two boys is my brother. 兩個男孩中較高的那位是我哥哥。 4．a＋形容詞比較級＋n.…… After two years’ research，we have a far better understanding of the disease. 研究兩年之后，現在我們對這種病有更好的理解。 We went to the USA in search of a better life. 為了尋找更美好的生活我們去了美國。 5．比較級的修飾語常見的有：rather，much，still，even，far，any(用于否定句或疑問句)，a lot，a little，a great deal，by far，a bit 等。 The students study even harder than before. 學生們學習比以前更努力了。 A car runs a great deal faster than a bike. 汽車比自行車跑得快得多。 6．最高級 (1)最高級的修飾語常見的有：序數詞，by far，nearly，almost，by no means，not really，not quite，nothing like。 The bridge being built now is by far the longest across the Yellow River. 目前正在建的那座橋是橫跨黃河之上的橋當中最長的橋。 I’d like to buy the second most expensive camera. 我想買僅次于最貴的照相機。 (2)否定詞＋比較級＝最高級。 There is no greater love than that of a man who lays down his life for his friends. 為朋友而放棄生命的人的愛是最偉大的愛。 —Are you satisfied with what he said at the meeting? ——你對他在會議上說的滿意嗎？ —No.It couldn’t have been worse. ——不，不能再差了。

　　1.(2010·龍巖市檢測)Believe it or not，swimming is________as any to lose unwanted weight. A．a way as good　B．as a good way C．as a way good　D．as good a way 解析：　考查固定短語。as...as表示“和……一樣”，固定表達方式有“as＋adj./adv.＋as”“as＋adj.＋a/an＋n.＋as”等。 答案：　D 2．(2010·蘇州一模)—Do you think that the 11th Chinese National Games were a success? —Yes，________！It couldn’t be ________. A．relatively；betterB．approximately；worse C．absolutely；betterD．fortunately；worse 解析：　本題考查副詞和形容詞在語境中的運用。relatively 相對地，比較地；approximately 大約；absolutely 當然是，絕對正確；fortunately 幸運地。根據語境知，第十一屆全運會絕對是一個成功的盛會，沒有比它更好的了，故C項正確。 答案：　C 3．(2010·4月濟南模擬)Of the two cameras，I would prefer ________one，which is very easy for me to carry. A．a smallerB．the smallest C．a small　

　　D．the smaller 解析：　考查形容詞比較級。由of the two cameras 可知，總共有兩臺相機，其中“小的那臺”，應該用比較級smaller，同時又是“確指”的概念，所以用the smaller，選D項。 答案：　D

　　1．形容詞作狀語表示伴隨或結果，并不表達動作的方式。 (2008·北京卷)After the long journey，the three of them went back home，hungry and tired. 經過長時間旅行后，他們三個回到家，又餓又累。 2．有些副詞還可以作連詞，作副詞時常放在句末。如：though，(ever)since，in case等 He is old.He works hard，though. ＝Though he is old，he works hard. 雖然他年事已高，但他工作還是很努力。 3．有些副詞置于句首可修飾全句，作評注性狀語。如：obviously，naturally，surprisingly等 Fortunately，he was not drowned and was saved by the PLA. 幸運的是，他沒被淹死，被解放軍給救了。 Happily for her，her stepmother was kind to her. 高興的是，她的繼母對她很好。 4．can not/never 與enough 或too連用表示：無論怎樣都不過分；越……越好。 —I was riding alone in the street and all of a sudden，a car cut in and knocked me down.

　　——我正在大街上獨自一人騎自行車，突然一輛小汽車強行超車把我撞倒了。 —You can never be too careful in the street. ——在大街上你越仔細越好。

　　1.(2010·安徽卷)________，she is the sort of woman to spread sunshine to

　　people through her smile. A．Shy and cautious B．Sensitive and thoughtful C．Honest and confident D．Lighthearted and optimistic 解析：　句意為：她無憂無慮、積極樂觀，是那種用微笑給別人帶來快樂的人。本題考查形容詞作伴隨狀語。shy and cautious 害羞的、小心的；sensitive and thoughtful 敏感的、多思的；honest and confident 誠實的、自信的。 答案：　D 2．(2010·遼寧卷)Jim went to answer the phone.________，Harry started to prepare lunch. A．However　

　　B．Nevertheless C．Besides　

　　D．Meanwhile 解析：　句意為：Jim 去接電話了。與此同時，Harry 開始做午飯。本題考查副詞用法。A.然而；B.雖然如此；C.除此之外；D.與此同時。根據前后句邏輯關系，應選擇表示并列關系的D。 答案：　D 3．(2010·遼寧卷)We only had $100 and that was________to buy a new computer. A．nowhere near enough　B．near enough nowhere C．enough near nowhere　D．near nowhere enough 解析：　句意為：我們只有100美元，離買臺新電腦的錢還差得遠呢。本題考查修飾詞順序。not anywhere near 或nowhere near：far from，not at all遠非，絕不是，為固定短語。 答案：　A 4．(2010·杭州檢測二)When it was his turn to deliver his speech，________，he walked towards the microphone. A．nervously and embarrassingly B．nervous and embarrassedly C．nervously and embarrassing D．nervous and embarrassed 解析：　該題考查形容詞作狀語。形容詞一般作定語，但也可作狀語。如：He lay in bed，awake.再如：Her husband came back，drunk. 答案：　D 1．(2010·浙江卷)I have been convinced that the print media are usually more________and more reliable than television. A．accurate　

　　B．ridiculous C．urgent　

　　D．shallow 解析：　句意為：我一直都確信紙質媒體比電視要更加準確，更加可靠。本題考查形容詞辨析。accurate 準確的，精確的；ridiculous 荒謬的，可笑的；urgent緊急的；shallow淺的，膚淺的，根據句意可得知答案為A項。 答案：　A 2．(2010·浙江卷)Do you think shopping online will________take the place of shopping in stores? A．especiallyB．frequently C．merely　

　　D．finally 解析：　句意為：你認為網上購物最終會取代商店購物嗎？本題考查副詞辨析。especially 尤其，特別；frequently 經常；merely 僅僅，只是；finally最終，最后。根據句意可知答案為D項。 答案：　D 3．(2010·湖北卷)In this lecture，I can only give you a purely________view of how we can live life to the full and make some suggestions about the future. A．private　

　　B．personal C．unique　

　　D．different 解析：　句意為：在本次講座中，本人只能就我們如何才能讓自己的日子過得充實些給你們提供一些個人觀點，并就未來的發(fā)展提供一些建議。本題考查形容詞辨析。從語境和四個選項的主要含義判斷選B項。 答案：　B 4．(2010·全國卷Ⅱ)Mr Black is very happy because the clothes made in his factory have never been________. A．popular　

　　B．more popular C．most popularD．the most popular 解析：　句意為：布萊克先生很高興，因為他工廠生產的服裝從沒像現在這樣受歡迎。本題考查形容詞比較級。根據題中have never (從來沒有)得知在文中隱含著與過去比較，故答案選B項。 答案：　B 5．(2010·江西卷)Computers and mobile phones，though they are indeed making our life________and more________，have reduced the need for face-to-face communications. A．easily；efficient　B．easier；efficient C．easy；efficiently　D．easily；efficiently 解析：　句意為：盡管計算機和手機確實使我們的生活變得更方便更有效率了，但是卻減少了面對面交流的需要。本題考查形容詞的比較級。兩個空格處都需要形容詞來作our life的賓補；又根據and more 知道第一空格需要用比較級，所以B項正確。 答案：　B 6．(2010·福建卷)—Volunteering is becoming________popular in China. —Yeah，people are now aware that helping others is helping themselves. A．naturally　

　　B．successfully C．splendidly　

　　D．increasingly 解析：　句意為：——在中國，志愿者活動正越來越受到大家的歡迎。——是的，現在人們意識到了助人即助己。本題考查副詞用法。increasingly逐漸地，漸增地；naturally自然地，天生地；successfully成功地；splendidly壯麗地，極好地。 答案：　D 7．(2010·陜西卷)Studies show that people are more________to suffer from back problems if they always sit before computer screens for long hours. A．likely　

　　B．possible C．probableD．sure 解析：　句意為：研究表明如果總是長時間地坐在電腦屏幕前，人們的背部很有可能會出現毛病。本題考查表“可能性”的三個形容詞possible，probable，likely在搭配上的區(qū)別： ①It is possible/probable/likely that 從句 ②It is possible for sb.to do sth. ③Sb./Sth.is likely to do sth. 綜上所述，正確答案為A項。 答案：　A 8．(2010·新課標全國卷Ⅰ)I have seldom seen my mother________pleased with my progress as she is now. A．soB．very C．tooD．rather 解析：　句意為：我很少見到我媽媽像現在這樣對我的進步感到這么滿意。本題考查形容詞的平級比較。題干有as she is now，結合句意和選項看，這里是形容詞pleased的平級比較。否定句中用not/never/seldom/...so/as...as結構表示平級比較。本題看似考查副詞辨析，實際上考查形容詞的比較結構。從句意判斷A正確。 答案：　A

　　9．(2010·山東卷)Mothers holding jobs outside the home should have________schedules to make it easier to care for their children. A．heavy 　

　　B．smooth C．flexible 　

　　D．complex 解析：　句意為：在外上班的母親的日程計劃應具有彈性，這樣可使照看孩子更加容易。heavy 重的，過度的；smooth 平滑的；平穩(wěn)的；flexible靈活的，可變動的；complex復雜的：根據后文to make it easier to care for their children 可知此題應選C項。 答案：　C 10．(2010·天津卷)People have always been________about exactly how life on earth began. A．curious　

　　B．excited C．anxious　

　　D．careful 解析：　句意為：人們一直對世界上的生命起源非常好奇。形容詞短語搭配be curious about 對……好奇；excited興奮的；anxious 焦慮的；careful 認真的。 答案：　A 練規(guī)范、練技能、練速度 形容詞和副詞

　　表示倍數的句型： (1)A is＋倍數＋比較級＋than＋B (2)A is＋倍數＋as＋原級＋as＋B (3)A is＋倍數＋the＋名詞(size，length，height 等)＋of＋B (4)A is＋倍數＋that＋of＋B (5)A is＋倍數＋what 引導的名詞性從句

　　①This building is three times higher than that one. This building is three times as high as that one. This building is three times the height of that one. 這個建筑物是那個建筑物的3倍高。

　?、赥he output of this year is 3 times that of 2008. ＝The output of this year is 3 times what it was in 2008. 今年的產量是2008年的三倍。 ③After the new technique was introduced，the factory produced twice as many cars in 2008 as the year before. 自從新技術被引進以后，這家工廠2008年生產的小汽車是上一年的兩倍。

　　1.(2011·福州模擬)When you study the local map，you’ll find this town is________. A．twice the size of that one B．twice as a large town as that C．twice as larger as that one D．twice as larger a town as that 解析：　句意為：當你研究當地的地圖時，你會發(fā)現這座城鎮(zhèn)是那個的兩倍大。倍數的表達方式：A is ＋倍數＋the＋名詞(如size/length)＋of B；B項中不定冠詞位置錯誤；C、D項中as后應用形容詞原級。 答案：　A 2．(2009·遼寧卷)Peter’s jacket looked just the same as Jack’s，but it cost________his. A．as much twice as B．twice as much as C．much as twice as　 D．as twice much as 解析：　倍數表達法是形容詞比較等級中一種很常用的比較級結構。不管用哪種比較級結構來表示比較，表示倍數的詞總是放在比較級結構的最前面。 答案：　B 3．(2009·四川卷)My uncle’s house in the downtown area is much smaller than ours，but it is twice________expensive. A．as　

　　B．so C．too　

　　D．very 解析：　考查倍數表達法。這里的倍數是“twice”，由expensive這一原級可知，這里使用了“as...as...”這一比較結構，在具體的語境中，后面的一個as以及后面的成分可以承前省略，即這里expensive后面省略了as ours。 答案：　A

　　1．“as＋形容詞＋(a/an)＋名詞＋as”表示同級比較，注意中間的形容詞和名詞并列時各自所在的位置。 It is generally believed that teaching is as much an art as it is a science. 人們普遍認為，教學是一門科學，同時也是一門藝術。 2．“as＋形容詞/副詞的原級＋as”與“not as/so＋形容詞/副詞的原級＋as”表示同級比較，即兩個或兩部分人或物在性質上或程度上相同(不同)。 The work is not as/so difficult as you imagine. 這項工作不是像你想像的那么難。 3．“the＋比較級＋of the two ＋名詞”表示“兩者中較……的那個”。 The taller of the two boys is my brother. 兩個男孩中較高的那位是我哥哥。 4．a＋形容詞比較級＋n.…… After two years’ research，we have a far better understanding of the disease. 研究兩年之后，現在我們對這種病有更好的理解。 We went to the USA in search of a better life. 為了尋找更美好的生活我們去了美國。 5．比較級的修飾語常見的有：rather，much，still，even，far，any(用于否定句或疑問句)，a lot，a little，a great deal，by far，a bit 等。 The students study even harder than before. 學生們學習比以前更努力了。 A car runs a great deal faster than a bike. 汽車比自行車跑得快得多。 6．最高級 (1)最高級的修飾語常見的有：序數詞，by far，nearly，almost，by no means，not really，not quite，nothing like。 The bridge being built now is by far the longest across the Yellow River. 目前正在建的那座橋是橫跨黃河之上的橋當中最長的橋。 I’d like to buy the second most expensive camera. 我想買僅次于最貴的照相機。 (2)否定詞＋比較級＝最高級。 There is no greater love than that of a man who lays down his life for his friends. 為朋友而放棄生命的人的愛是最偉大的愛。 —Are you satisfied with what he said at the meeting? ——你對他在會議上說的滿意嗎？ —No.It couldn’t have been worse. ——不，不能再差了。

　　1.(2010·龍巖市檢測)Believe it or not，swimming is________as any to lose unwanted weight. A．a way as good　B．as a good way C．as a way good　D．as good a way 解析：　考查固定短語。as...as表示“和……一樣”，固定表達方式有“as＋adj./adv.＋as”“as＋adj.＋a/an＋n.＋as”等。 答案：　D 2．(2010·蘇州一模)—Do you think that the 11th Chinese National Games were a success? —Yes，________！It couldn’t be ________. A．relatively；betterB．approximately；worse C．absolutely；betterD．fortunately；worse 解析：　本題考查副詞和形容詞在語境中的運用。relatively 相對地，比較地；approximately 大約；absolutely 當然是，絕對正確；fortunately 幸運地。根據語境知，第十一屆全運會絕對是一個成功的盛會，沒有比它更好的了，故C項正確。 答案：　C 3．(2010·4月濟南模擬)Of the two cameras，I would prefer ________one，which is very easy for me to carry. A．a smallerB．the smallest C．a small　

　　D．the smaller 解析：　考查形容詞比較級。由of the two cameras 可知，總共有兩臺相機，其中“小的那臺”，應該用比較級smaller，同時又是“確指”的概念，所以用the smaller，選D項。 答案：　D

　　1．形容詞作狀語表示伴隨或結果，并不表達動作的方式。 (2008·北京卷)After the long journey，the three of them went back home，hungry and tired. 經過長時間旅行后，他們三個回到家，又餓又累。 2．有些副詞還可以作連詞，作副詞時常放在句末。如：though，(ever)since，in case等 He is old.He works hard，though. ＝Though he is old，he works hard. 雖然他年事已高，但他工作還是很努力。 3．有些副詞置于句首可修飾全句，作評注性狀語。如：obviously，naturally，surprisingly等 Fortunately，he was not drowned and was saved by the PLA. 幸運的是，他沒被淹死，被解放軍給救了。 Happily for her，her stepmother was kind to her. 高興的是，她的繼母對她很好。 4．can not/never 與enough 或too連用表示：無論怎樣都不過分；越……越好。 —I was riding alone in the street and all of a sudden，a car cut in and knocked me down.

　　——我正在大街上獨自一人騎自行車，突然一輛小汽車強行超車把我撞倒了。 —You can never be too careful in the street. ——在大街上你越仔細越好。

　　1.(2010·安徽卷)________，she is the sort of woman to spread sunshine to

　　people through her smile. A．Shy and cautious B．Sensitive and thoughtful C．Honest and confident D．Lighthearted and optimistic 解析：　句意為：她無憂無慮、積極樂觀，是那種用微笑給別人帶來快樂的人。本題考查形容詞作伴隨狀語。shy and cautious 害羞的、小心的；sensitive and thoughtful 敏感的、多思的；honest and confident 誠實的、自信的。 答案：　D 2．(2010·遼寧卷)Jim went to answer the phone.________，Harry started to prepare lunch. A．However　

　　B．Nevertheless C．Besides　

　　D．Meanwhile 解析：　句意為：Jim 去接電話了。與此同時，Harry 開始做午飯。本題考查副詞用法。A.然而；B.雖然如此；C.除此之外；D.與此同時。根據前后句邏輯關系，應選擇表示并列關系的D。 答案：　D 3．(2010·遼寧卷)We only had $100 and that was________to buy a new computer. A．nowhere near enough　B．near enough nowhere C．enough near nowhere　D．near nowhere enough 解析：　句意為：我們只有100美元，離買臺新電腦的錢還差得遠呢。本題考查修飾詞順序。not anywhere near 或nowhere near：far from，not at all遠非，絕不是，為固定短語。 答案：　A 4．(2010·杭州檢測二)When it was his turn to deliver his speech，________，he walked towards the microphone. A．nervously and embarrassingly B．nervous and embarrassedly C．nervously and embarrassing D．nervous and embarrassed 解析：　該題考查形容詞作狀語。形容詞一般作定語，但也可作狀語。如：He lay in bed，awake.再如：Her husband came back，drunk. 答案：　D 1．(2010·浙江卷)I have been convinced that the print media are usually more________and more reliable than television. A．accurate　

　　B．ridiculous C．urgent　

　　D．shallow 解析：　句意為：我一直都確信紙質媒體比電視要更加準確，更加可靠。本題考查形容詞辨析。accurate 準確的，精確的；ridiculous 荒謬的，可笑的；urgent緊急的；shallow淺的，膚淺的，根據句意可得知答案為A項。 答案：　A 2．(2010·浙江卷)Do you think shopping online will________take the place of shopping in stores? A．especiallyB．frequently C．merely　

　　D．finally 解析：　句意為：你認為網上購物最終會取代商店購物嗎？本題考查副詞辨析。especially 尤其，特別；frequently 經常；merely 僅僅，只是；finally最終，最后。根據句意可知答案為D項。 答案：　D 3．(2010·湖北卷)In this lecture，I can only give you a purely________view of how we can live life to the full and make some suggestions about the future. A．private　

　　B．personal C．unique　

　　D．different 解析：　句意為：在本次講座中，本人只能就我們如何才能讓自己的日子過得充實些給你們提供一些個人觀點，并就未來的發(fā)展提供一些建議。本題考查形容詞辨析。從語境和四個選項的主要含義判斷選B項。 答案：　B 4．(2010·全國卷Ⅱ)Mr Black is very happy because the clothes made in his factory have never been________. A．popular　

　　B．more popular C．most popularD．the most popular 解析：　句意為：布萊克先生很高興，因為他工廠生產的服裝從沒像現在這樣受歡迎。本題考查形容詞比較級。根據題中have never (從來沒有)得知在文中隱含著與過去比較，故答案選B項。 答案：　B 5．(2010·江西卷)Computers and mobile phones，though they are indeed making our life________and more________，have reduced the need for face-to-face communications. A．easily；efficient　B．easier；efficient C．easy；efficiently　D．easily；efficiently 解析：　句意為：盡管計算機和手機確實使我們的生活變得更方便更有效率了，但是卻減少了面對面交流的需要。本題考查形容詞的比較級。兩個空格處都需要形容詞來作our life的賓補；又根據and more 知道第一空格需要用比較級，所以B項正確。 答案：　B 6．(2010·福建卷)—Volunteering is becoming________popular in China. —Yeah，people are now aware that helping others is helping themselves. A．naturally　

　　B．successfully C．splendidly　

　　D．increasingly 解析：　句意為：——在中國，志愿者活動正越來越受到大家的歡迎?！堑?，現在人們意識到了助人即助己。本題考查副詞用法。increasingly逐漸地，漸增地；naturally自然地，天生地；successfully成功地；splendidly壯麗地，極好地。 答案：　D 7．(2010·陜西卷)Studies show that people are more________to suffer from back problems if they always sit before computer screens for long hours. A．likely　

　　B．possible C．probableD．sure 解析：　句意為：研究表明如果總是長時間地坐在電腦屏幕前，人們的背部很有可能會出現毛病。本題考查表“可能性”的三個形容詞possible，probable，likely在搭配上的區(qū)別： ①It is possible/probable/likely that 從句 ②It is possible for sb.to do sth. ③Sb./Sth.is likely to do sth. 綜上所述，正確答案為A項。 答案：　A 8．(2010·新課標全國卷Ⅰ)I have seldom seen my mother________pleased with my progress as she is now. A．soB．very C．tooD．rather 解析：　句意為：我很少見到我媽媽像現在這樣對我的進步感到這么滿意。本題考查形容詞的平級比較。題干有as she is now，結合句意和選項看，這里是形容詞pleased的平級比較。否定句中用not/never/seldom/...so/as...as結構表示平級比較。本題看似考查副詞辨析，實際上考查形容詞的比較結構。從句意判斷A正確。 答案：　A