2020Unit 3 Australia 單元測(cè)試人教版選修9課標(biāo)通用

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1、2020學(xué)年人教版英語(yǔ)精品資料 Unit 3 Australia 單元測(cè)試（人教版選修9，課標(biāo)通用） 第一部分：聽(tīng)力(共兩節(jié)，滿分30分) 第一節(jié)：(共5小題；每小題1.5分，滿分7.5分) 聽(tīng)下面五段對(duì)話。每段對(duì)話后有一個(gè)小題，從題中所給的A、B、C三個(gè)選項(xiàng)中選出最佳選項(xiàng)。聽(tīng)完每段對(duì)話后，你都有10秒鐘時(shí)間來(lái)回答有關(guān)小題和閱讀下一小題。每段對(duì)話僅讀一遍。 1．What does the man mean? A．He can help her for a while. B．He will have no time to spare. C．He'll be too bus

2、y to help her. Text 1 W：Jack，can you help me with this work？I am too busy. M：Sure，if it won't take too much time. 答案　A 2．What does the man think of the Betty idea? A．Reasonable. B．Ridiculous. C．Serious. Text 2 W：Betty has invited us to her family party.Let's... M：You c

3、an't be serious.We'll have two important tests at school tomorrow. 答案　C 3．How many hours did the woman spend together? A．24 hours. B．25 hours. C．41 hours. Text 3 M：Welcome back，Susan.How about your trip? W：It was too long.I had to spend 14 hours to New York，and then

4、25 hours to London.At last 2 hours back home. 答案　C 4．When will they discuss the new project? A．Tomorrow afternoon. B．Tomorrow morning. C．This afternoon. Text 4 M：Are you doing anything tomorrow morning？I'm wondering if you'd like to come to my office to discuss the new project. W：Tom

5、orrow morning？What about tomorrow afternoon? M：OK. 答案　A 5．What can we learn from the conversation? A．The man has been fooled. B．The man's father has come. C．The woman helped the man. Text 5 M：Jane，my father isn't at the gate of the school.Are you joking? W：Poor fellow！What is the da

6、te today，you know? M：It's...Oh，it's the first of April! W：You forgot all about it，didn't you? 答案　A 第二節(jié)：(共15小題；每小題1.5分，滿分22.5分) 聽(tīng)下面5段對(duì)話或獨(dú)白。每段對(duì)話或獨(dú)白后有幾個(gè)小題，從題中所給的A、B、C三個(gè)選項(xiàng)中選出最佳選項(xiàng)。聽(tīng)每段對(duì)話或獨(dú)白前，你將有時(shí)間閱讀各個(gè)小題，每小題5秒鐘；聽(tīng)完后，每小題將給出5秒鐘的作答時(shí)間。每段對(duì)話或獨(dú)白讀兩遍。 聽(tīng)第6段材料，回答第6至7題。 6．What is the woman attendin

7、g? A．A gathering. B．A wedding ceremony. C．A graduation ceremony. 7．Who has always wanted to go to Hong Kong? A．The man. B．The woman. C．Jenny. Text 6 W：Congratulations! M：Thank you for attending our wedding. W：You have made it at last. M：Yes，I feel I'm the luckiest man

8、on earth. W：You surely are.Jenny is a beautiful girl. M：She's also got the best personality. W：Where are you going on your honeymoon? M：We're going to Hong Kong.She has always wanted to go there. W：Ah，Hong Kong is a good place for the newlywed. M：Yes. 答案　6.B　7.C 聽(tīng)第7段材料，回答第8至9題。 8．W

9、hat's the woman? A．A secretary. B．An editor. C．A teacher. 9．What do we know about the woman? A．She's too picky. B．She's too cautious. C．She's too strict. Text 7 W：James，I'm bored. M：With what? W：I don't want to go back to teaching.That's too boring

10、. M：What do you want to do，then? W：I really don't know. M：Do you want to be a secretary? W：That depends on who I'll be working for. M：What about an editor? W：That would be too tiring. 答案　8.C　9.A 聽(tīng)第8段材料，回答第10至12題。 10．Where does Henry probably work? A．On a train to London. B．In an

11、office in downtown London. C．At a club outside London. 11．When does Henry get up every day? A．At 6：30. B．After 6：30. C．Before 6：30. 12．How did Henry use to feel about the time spent on the train? A．A terrible waste of time. B．A very enjoyable time. C．A quite relaxing time. Text

12、 8 W：How are things going，Henry? M：Fine，Jane.It's a long working day but I'm used to doing that，so it doesn't trouble me too much. W：Traveling to downtown London every day—don't you find it troublesome? M：It was hard at first，especially getting up before dawn to catch that 6：30 t

13、rain.But it's bearable now，for I'm used to it. W：Don't you think it's a terrible waste of time？I couldn't bear to spend three hours sitting on a train every day. M：I used to feel the same as you，but now I quite enjoy it. W：Enjoy it？How do you pass the time? M：In the morning I

14、 read papers to catch up with the news，on the way home at night I relax with a good book，or talk with friends or even have a game of bridge. W：Sounds like a good club. 答案　10.B　11.C　12.A 聽(tīng)第9段材料，回答第13至16題。 13．What are the speakers mainly talking about? A．When to begin driving. B．When to be matu

15、re. C．How to drive. 14．What's the legal age for driving in Canada at present? A．20. B．18. C．16. 15．Why could the man's father begin to drive at the age of 12? A．There wasn't age limit or much traffic then. B．He was both mature and skilled enough. C．He was a b

16、oy from the countryside. 16．How old was the woman when she began to drive? A．20. B．18. C．16. Text 9 W：Hey，Mike，what's the legal age for driving in Canada? M：Well，it used to be 16 but it recently rose to 18.Do you think that's a good thing? W：Yeah，I think it should b

17、e 18 or even 20 before you're allowed to drive. M：Why？Don't you think at 16 you're mature enough? W：No.Because I think at 18 you 're more responsible for your behaviour. M：Yeah，but I drove when I was 16. W：So did I. M：In fact，I know my father actually began driving at 12 when th

18、ere was no age limit for driving. W：Well，there wasn't much traffic on the roads back then.Today，the traffic is so heavy and it's better to make sure the drivers are prepared and mature in case something goes wrong. M：Yeah.I agree with you. 答案　13.A　14.B　15.A　16.C 聽(tīng)第10段材料，回答第17至20題。 17．Wh

19、at do we know about the Golden Gate Bridge? A．It's the oldest bridge in America. B．It's the longest bridge in the world now. C．Its design and color make it practical and beautiful. 18．What was the purpose of building the Coit Tower? A．In memory of the brave firemen. B．To remind us of t

20、he 1906 earthquake. C．To show a kind of design in architecture. 19．What makes the Transamerica Building the most memorable? A．Its height. B．Its shape. C．Its color. 20．What does the speaker mainly talk about? A．Some famous landmarks in San Francisco. B．The history of San Franci

21、sco. C．The way to visit San Francisco. Text 10 San Francisco is one of the most well­known cities in America，mainly because the city has great weather，wonderful views，and many famous landmarks. The most famous landmark in San Francisco is probably the Golden Gate Bridge.It's one of the

22、longest suspension bridges in the world.The bridge was completed in 1937 and is still widely used today.The bridge has an Art Deco design and unique orange color，making it not only practical，but beautiful as well. Another famous landmark with an Art Deco design is the Coit Tower，which is 210 feet t

23、all.The tower was built in memory of the brave firemen who battled the Great San Francisco Fire from the 1906 earthquake. San Francisco has many tall buildings.The most famous is the Transamerica Building，which is shaped like a pyramid.The building is not the tallest in the city，but it is definitel

24、y the most memorable. 答案　17.C　18.A　19.B　20.A 第二部分：英語(yǔ)知識(shí)運(yùn)用(共兩節(jié)，滿分45分) 第一節(jié)：?jiǎn)雾?xiàng)填空(共15小題；每小題1分，滿分15分) 從A、B、C、D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)。 21．It's ________good feeling for people to admire the Shanghai World Expo that gives them ________pleasure. A．不填；a B．a(chǎn)；不填 C．the；a D．a(chǎn)；the 解析　句意：上海世博會(huì)給人們帶來(lái)

25、的“樂(lè)趣”，使他們感覺(jué)良好。根據(jù)句意，此處feeling是指具體的感覺(jué)，故應(yīng)是可數(shù)名詞，應(yīng)用a；而給人們帶來(lái)的“樂(lè)趣”是抽象概念，pleasure此處為不可數(shù)名詞，故不用冠詞。 答案　B 22．________fire，all exists must be kept clear. A．In place of B．Instead of C．In case of D．In spite of 解析　句意：為防火災(zāi)，所有疏散通道必須暢通。A、B意思相同，均為“取代，代替”；in case of以防……；in spite of盡管。 答案　C 23．On her 60th birt

26、hday________，the President made an important speech to the whole nation. A．congratulations B．celebrations C．challenges D．corporations 解析　根據(jù)語(yǔ)境“在她的60歲生日慶典上”可知選B。congratulations祝賀某人；celebrations慶祝儀式、典禮等；challenges挑戰(zhàn)；corporations公司，企業(yè)，團(tuán)體。 答案　B 24．It took________building supplies to construct

27、these energy­saving houses.It took brains，too. A．other than B．more than C．rather than D．less than 解析　考查短語(yǔ)辨析。句意：建造這些節(jié)能建筑不僅僅需要建筑材料，也需要智慧。other than除了；more than不只是；rather than而不是；less than少于。根據(jù)句意選B。 答案　B 25．—You mustn't play football on the street.It's dangerous. —No，________.T

28、hank you. A．it's safe B．we won't C．it's none of your business D．we must 解析　根據(jù)答語(yǔ)中的“Thank you”可知第二個(gè)人同意了第一個(gè)人的話，故用“No，we won't”，意為“好的，我們不踢了?！? 答案　B 26．Now the question that you must carefully consider is________can be put into practice. A．how you have learned B．how what you hav

29、e learned C．that why you have learned D．how that you have learned 解析　句意：現(xiàn)在你必須認(rèn)真考慮的問(wèn)題是怎樣把你的所學(xué)付諸實(shí)踐。how引導(dǎo)表語(yǔ)從句，what you have learned是how從句中的主語(yǔ)。 答案　B 27．A healthy life is frequently thought to be________with the open countryside and home­grown food. A．tied B．bound C．involved D．a(chǎn)ssocia

30、ted 解析　be associated with和……有聯(lián)系。 答案　D 28．By law，when one makes a large purchase，he should have________opportunity to change his mind. A．a(chǎn)ccurate B．a(chǎn)dequate C．urgent D．excessive 解析　句意：原則上說(shuō)，一個(gè)人在購(gòu)買大量商品之前，他應(yīng)具有更多機(jī)會(huì)以便變更他的主意。accurate精確的；adequate大量的，充足的；urgent急促的；excessive過(guò)度的，額外的。 答案　D 29．On

31、e advantage of playing the guitar is ________it can give you a great deal of pleasure. A．how B．why C．that D．when 解析　that引導(dǎo)表語(yǔ)從句。 答案　C 30．I hadn't wanted to see the film 2012，but Lucy talked me________buying a ticket. A．out B．into C．over

32、 D．a(chǎn)gainst 解析　talk sb into doing sth說(shuō)服某人做某事。 答案　B 31．All flights to London have been delayed________thick fog. A．owing to B．thank to C．in virtue of D．in respect of 解析　句意：因?yàn)榇箪F，倫敦的所有航班被延誤。owing to因?yàn)?，由于? 答案　A 32．You'll need stronger evidence to________your claim to the inheritance(繼承

33、)． A．protect B．prevent C．guard D．defend 解析　句意：你還需更有力的證據(jù)為自己的繼承權(quán)辯護(hù)。defend為……辯護(hù)。 答案　D 33．John is very________－if he promises to do something，he'll do it. A．independent B．confident C．reliable D．flexible 解析　根據(jù)下文“如果他答應(yīng)做某事，他就會(huì)把它做好”可得出他是個(gè)可信賴的人，故選擇C。independent“獨(dú)立的”；co

34、nfident“有信心的，有把握的”；flexible“易曲的，柔軟的，靈活的”。 答案　C 34．Ladies and gentlemen，please remain________until the plane has come to a complete stop. A．seated B．seating C．to seat D．seat 解析　考查過(guò)去分詞。remain seated“坐好，坐著不動(dòng)”；seated 既是過(guò)去分詞，又具有形容詞的特征，在句中作表語(yǔ)。再如：Please remain seated and keep

35、 your seat belts fastened.請(qǐng)坐穩(wěn)并系好安全帶。 答案　A 35．The art show was________being a failure; it was a great success. A．far from B．a(chǎn)long with C．next to D．regardless of 解析　考查固定短語(yǔ)。語(yǔ)意：那個(gè)藝術(shù)展不但沒(méi)有失敗，反而是一個(gè)巨大的成功。far from“遠(yuǎn)非，不但不……”符合句意。along with與……一道；除……以外；next to緊接著；相鄰；次于；regardless of不管；不顧。 答案　A 第二節(jié)：完形

36、填空(共20小題；每小題1.5分，滿分30分) 閱讀下面短文，從短文后各題所給的四個(gè)選項(xiàng)(A、B、C和D)中選出可以填入空白處的最佳選項(xiàng)。 Imagine a people whose language has no word for“marriage”or“husband”．Just such a tribe lives in the mountains of southeastern China.Lake Lugu，known as the“Country of Women”，is home to the Mosuo.It is one of the few__36__matriarc

37、hal(母系的)societies in the world which manage to __37__through thousands of years. Mosuo culture goes around women：the women make all the important__38__，control the family's resources，and pass their__39__onto their children.__40__marrying，a Mosuo woman takes many lovers over her lifetime，and the

38、 resulting children will__41__ live with her.__42__the Mosuo language has a word for“mother”，there is__43__word for“father”and Mosuo children__44__all older men as“uncle”． Getting to Lake Lugu isn't easy，which helped the tribe keep their customs and__45__.A generation ago，few outsiders had ever

39、__46__Lake Lugu or the Mosuo. But in recent years，word__47__about the value of their culture and the beauty of the lake.These reports attracted travelers and，__48__，this once­isolated paradise seems filled with tourists who've come to see the locals.Along with the visitors__49__stories of

40、the outside world，__50__the young to leave home for the__51__in search of new opportunities. For better or worse，the unique world of the Mosuo people is __52__.Many of the older Mosuo women__53__the old days，before the outsiders came with their strange clothing and stranger__54__.But most agree tha

41、t change is necessary.And some of the younger Mosuo women are speaking openly about getting__55__，a word their grandmothers still don't understand. 【語(yǔ)篇解讀】 本文介紹了摩梭人的生活和風(fēng)俗習(xí)慣，以及現(xiàn)代社會(huì)對(duì)他們所處的特殊世界的沖擊。 36．A.lost B．left C．remaining D．imaginable 解析　考查語(yǔ)境理解。由上下文可知是“保存下來(lái)的母系社會(huì)之一”。remai

42、ning可作前置定語(yǔ)，表示“保存下來(lái)的”，而left只能作后置定語(yǔ)。 答案　C 37．A.survive B．leave C．prove D．continue 解析　考查詞語(yǔ)辨析。經(jīng)過(guò)幾千年“幸存”下來(lái)。 答案　A 38．A.plans B．decisions C．clothes D．notes 解析　考查語(yǔ)境理解。根據(jù)前面的“Mosuo culture goes around women”可知，在摩梭人中，一切重大決定都由婦女作出。 答案　B 39．A.full names B．middle names C．nicknames D．sur

43、names 解析　考查生活常識(shí)。surname指“姓”，這里是說(shuō)母親把自己的“姓”傳給下一代。 答案　D 40．A.Rather than B．Other than C．More than D．Better than 解析　考查詞語(yǔ)辨析。由下文的“a Mosuo woman takes many lovers over her lifetime”可推知，摩梭人并不結(jié)婚。rather than表示“并非，而不是”。 答案　A 41．A.never B．seldom C．sometimes D．a(chǎn)lways 解析　考查邏輯推理

44、。從母系社會(huì)的特征可推知孩子一直跟著母親。 答案　D 42．A.Because B．When C．Unless D．While 解析　考查行文邏輯。這句話的兩個(gè)分句之間是讓步關(guān)系。句意：盡管摩梭人的語(yǔ)言中有“母親”一詞，但卻沒(méi)有“父親”。選項(xiàng)中只有while可表示讓步。 答案　D 43．A.one B．some C．no D．proper 解析　考查行文邏輯。由上一題可推知答案。 答案　C 44．A.refer to B．make C．look

45、 D．pretend 解析　考查詞語(yǔ)辨析。refer to sb as...相當(dāng)于consider sb as...，意為“把某人稱作……”。 答案　A 45．A.habits B．culture C．a(chǎn)rts D．science 解析　考查語(yǔ)境理解。句意：……幫助他們保持自己的風(fēng)俗和文化。 答案　B 46．A.thought of B．speak of C．heard of D．a(chǎn)dmit of 解析　考查語(yǔ)境理解。此句和前句的“Getting to Lake Lugu isn't ea

46、sy”相對(duì)應(yīng)。句意為：一個(gè)世紀(jì)前，很少有人聽(tīng)說(shuō)過(guò)Lake Lugu or the Mosuo。 答案　C 47．A.took out B．broke out C．went out D．sent out 解析　考查短語(yǔ)辨析。消息傳出來(lái)。go out意為“(消息或新聞)發(fā)布，公布”；word在此有“消息”之意。 答案　C 48．A.at times B．in no time C．a(chǎn)t a time D．in time 解析　考查固定搭配。at times是固定搭配，意為“有時(shí)”。 答案　A 49．A.go B．take

47、C．bring D．come 解析　考查行文邏輯。此句是一個(gè)倒裝句，正常語(yǔ)序應(yīng)是“Stories of the outside world come along with the visitors”come along with表示“和……一起來(lái)”。 答案　D 50．A.making B．forcing C．a(chǎn)ttracting D．a(chǎn)dvising 解析　考查詞語(yǔ)辨析。attract表示“吸引”，attracting作后置定語(yǔ)修飾stories。 答案　C 51．A.villages B．cities C．factories D．sc

48、hools 解析　考查語(yǔ)句理解。leave...for...表示“離開(kāi)……到……去”。句意：離開(kāi)家到城市里去尋找機(jī)會(huì)。 答案　B 52．A.changing B．improving C．developing D．remaining 解析　考查語(yǔ)境理解。由上下文可推知：摩梭人的獨(dú)特世界正在發(fā)生改變。 答案　A 53．A.dislike B．hates C．enjoy D．prefer 解析　考查邏輯推理。由下文可知：摩梭人中一些上年紀(jì)的婦女更喜歡外人來(lái)之前的生活。 答案　D 54．A.words B．styles C．opinions D

49、．ideas 解析　考查詞語(yǔ)辨析。一些更奇怪的“想法”。只有D合適。 答案　D 55．A.paid B．separated C．dressed D．married 解析　考查行文邏輯。以前的摩梭婦女是不結(jié)婚的，但現(xiàn)在她們開(kāi)始談?wù)撨@個(gè)以前從不涉及的話題。 答案　D 第三部分：閱讀理解(共兩節(jié)，滿分40分) 第一節(jié)：(共15小題；每小題2分，滿分30分) 閱讀下列短文，從每題所給的四個(gè)選項(xiàng)(A、B、C和D)中選出最佳選項(xiàng)。 A Jeffrey Bezos，the founder，president and chairman of

50、 the board of A，was born in Albuquerque，New Mexico.His mother's ancestors were early settlers in Texas，and over the generations had acquired a 25,000acre farm at Cotulla.Jeffrey spent most summers of his youth working with his grandfather on their farm. Jeffrey showed intense and varied scienti

51、fic interests at an early age.He set up an electric alarm to keep his younger sisters and brothers out of his room and changed his parents' garage into a laboratory for his science projects. After he graduated from Princeton University with a degree in computer science and electrical engineerin

52、g，Jeffrey Bezos found employment on Wall Street，where computer science was increasingly in demand to study market trends.He rose quickly，becoming a senior vice president，and looked forward to a bright career in finance，when he made a discovery that changed his life，and the course of business history

53、. In 1994，there was still no Internet commerce to speak of.One day that spring，Jeffrey Bezos observed that Internet usage was increasing by 2,300 percent a year.He saw an opportunity for a new circle of commerce，and immediately began considering the possibilities. Bezos founded A in 1994，setting u

54、p the original company in his garage.The company was called Amazon for the seemingly endless South American river with its numberless branches.It started as an online bookstore but soon diversified(多樣化)to all kinds of products.His work with Amazon eventually led him to become one of the most excelle

55、nt dot­com entrepreneurs(企業(yè)家)．He was named Time magazine's Person of the Year in 1999.In 2008，he was selected by U．S.News &World Report as one of America's Best Leaders.Bezos' Amazon has become“the Earth's biggest anything store”．A is now called“one of the smartest strategie

56、s in business history”． Today，Jeffrey Bezos lives north of Seattle and is increasingly concerned with charity(慈善)activities.“Giving away money takes as much attention as building a successful company，”he has said. 【語(yǔ)篇解讀】 本文介紹的是Amazon公司創(chuàng)始人Jeffrey Bezos的傳奇人生。 56．In his childhood，Bezos________. A．h

57、ad to work with parents on their farm all day long B．showed great interest in science C．didn't get along well with his brothers and sisters D．wanted to become a businessman 解析　細(xì)節(jié)理解題。根據(jù)第二段第一句中的內(nèi)容可知他在很小的時(shí)候就對(duì)科學(xué)表現(xiàn)出了濃厚的興趣。 答案　B 57．Jeffrey changed the course of business history because he_______

58、_. A．rose quickly，looking forward to a bright career in finance on Wall Street B．observed the Internet usage was increasing by 2,300% a year C．founded a new form of commerce that developed fast later D．was the first to speak of Internet commerce 解析　細(xì)節(jié)理解題。第三段提到他的發(fā)現(xiàn)改變了他的人生，也改變了商業(yè)歷史的進(jìn)程，下文提到他注意到了因特

59、網(wǎng)商業(yè)的巨大商機(jī)并創(chuàng)辦了Amazon公司，由此可知原因是他后來(lái)創(chuàng)建了一種快速發(fā)展的新型商業(yè)模式。 答案　C 58．Bezos named his company Amazon with the aim of ________. A．opening numberless branches all over the world B．living a quiet life along the Amazon River C．earning endless money and being wealthy D．wishing his company to run smoothly and en

60、dlessly 解析　推理判斷題。根據(jù)倒數(shù)第二段第二句中的內(nèi)容可推測(cè)他以Amazon命名自己的公司是希望公司能夠順利而且永無(wú)止境地運(yùn)轉(zhuǎn)。 答案　D 59．Which of the following ISN'T mentioned in the passage? A．How hard Bezos studied physics in Princeton University. B．“A”only sold books in the beginning. C．Bezos not only devoted his life to Internet commerce but al

61、so to charity. D．The reason why Jeffrey Bezos decided to found A. 解析　細(xì)節(jié)理解題。由文章第三段前半部分可知他從普林斯頓大學(xué)畢業(yè)，但文中并沒(méi)有提到他在普林斯頓大學(xué)攻讀物理的刻苦程度。 答案　A B There are two factors which determine an individual's intelligence.The first is the sort of brain he is born with.Human brains differ considerably，some being m

62、ore capable than others.But no matter how good a brain he has to begin with，an individual will have a low order of intelligence unless he has opportunities to learn.So the second factor is what happens to the individual－the sort of environment in which he is reared.If an individual is handicapped en

63、vironmentally，it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable. The importance of environment in determining an individual's intelligence can be demonstrated by the case history of the identical twins，Peter and Mark X．Be

64、ing identical，the twins had identical brains at birth，and their growth processes were the same.When the twins were three months old，their parents died，and they were placed in separate foster homes.Peter was reared by parents of low intelligence in an isolated community with poor educational opportun

65、ities.Mark was reared in the home of well­to­do parents who had been to college.He was read to as a child，sent to good schools，and given every opportunity to be stimulated intellectually.This environmental difference continued until the twins were in their late teens，when they were given t

66、ests to measure their intelligence.Mark's I．Q.was 125，twenty­five points higher than the average and fully forty points higher than his identical brother.Given equal opportunities，the twins，having identical brains，would have tested at roughly the same level. 60．This selection can best be t

67、itled________. A．Measuring Your Intelligence B．Intelligence and Environment C．The Case of Peter and Mark D．How the Brain Influences Intelligence 解析　主旨大意題。本文主要討論了智商與環(huán)境之間的關(guān)系，并以一對(duì)失去父母的雙胞胎兄弟的實(shí)例加以證明。 答案　B 61．The best statement of the main idea of this passage is that________. A．human brains differ considerably B．the brain a person is born with is important in determining his intelligence C．environment is vital to determine a person's intelligence D．persons having identical brains w