日本成人片在线_久久免费精品视频_国产午夜精品久久久久久免费视_校花撩起jk露出白色内裤国产精品_av影片免费在线观看_国产小视频在线看_最新av免费在线观看_99久久99久久精品国产片_欧美成人猛片aaaaaaa_蜜桃免费网站一区二区三区

There’s no light on-they _______ be at home.


  1. A.
    can’t
  2. B.
    mustn’t
  3. C.
    needn’t
  4. D.
    shouldn’t
A
解析:
“can’t+動(dòng)詞原形”表示對(duì)現(xiàn)在情況的猜測(cè)或判斷,意為“不可能”。根據(jù)所提供的情景There’s no light on可判斷出他們不可能在家。mustn’t后接動(dòng)詞原形表示“禁止,不準(zhǔn)”,不用于表示猜測(cè)、推測(cè)或判斷。needn’t意為“沒(méi)必要”,表示沒(méi)有必要做某事。shouldn’t意為“不應(yīng)該”,表示不應(yīng)該做。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目:高中英語(yǔ) 來(lái)源:2015屆安徽省阜陽(yáng)市高二上學(xué)期期中考試英語(yǔ)試卷(解析版) 題型:閱讀理解

It is not unusual for people to speak two or three languages; they’re known as bilinguals or trilinguals. Speakers of more than three languages are known as polyglots. And when we refer to people who speak many languages, perhaps a dozen or more, we use the term hyper-polyglot.

The most famous hyper-polyglot was Giuseppe Mezzofanti, a 19th century Italian cardinal, who was said to speak 72 languages. This claim sounds absurd. If you assume each language had 20,000 words, Mezzofanti would have to learn a word a minute, six hours a day, for eleven years—an impossible task. But Mezzofanti was tested by critics, and they were all impressed.

Did Mezzofanti have an extraordinary brain? Or are hyper-polyglots just ordinary people with ordinary brains who manage to do something extraordinary through hard work?

U.S. linguist Stephen Drashen believes that outstanding language learners just work harder at it and then they acquire unusually strong language ability. As an example, he mentions a Hungarian woman who worked as an interpreter during the 20th century. When she was 86, she could speak 16 languages and was still working on learning new languages. She said she learned them mostly on her own, reading fiction or working through dictionaries or textbooks.

Some researchers argue to the contrary. They believe that there is such a thing as a talent for learning languages. In the 1930s, a German scientist examined parts of the preserved brain of a hyper-polyglot named Emil Krebs, who could speak 60 languages fluently. The scientist found that the area of Krebs’s brain called Broca’s area, which is associated with language, looked different from the Broca’s area in the brains of men who speak only one language. However, we still don’t know if Krebs was born with a brain ready to learn dozens of languages or if his brain adapted to the demands he put on it.

Although it is still not clear whether the ability to learn many languages is in born, there’s no doubt that just about all of us can acquire skills in a second, third, or even fourth language by putting our mind to it.

1.What does the underlined sentence imply?

A. Mezzofanti could remember 360 words a day.

B. Mezzofanti had a special way to learn languages.

C. Mezzofanti’s achievement was ridiculous.

D. Mezzofanti language ability was astonishing.

2.The Hungarian woman became a hyper-polyglot mainly because of her __.

A. good memory       B. unique brain      C. hard work      D. learning methods

3.The German scientist’s findings showed that Krebs ___.

A. had an unusual brain

B. was born with great talent

C. had worked hard at languages

D. expected too much of himself

4.The author seems to agree that ___.

A. it is not hard to learn foreign languages

B. hard work plays a part in language learning

C. there is no such thing as a talent for languages

D. hyper-polyglots have an inborn talent for language

 

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:2014屆遼寧沈陽(yáng)鐵路實(shí)驗(yàn)中學(xué)高二下期期中考試英語(yǔ)卷(解析版) 題型:閱讀理解

Exchanging music over the Internet is fun and easy. Better yet, it's free, which means you don't have to pay for any more expensive music CDs. Several online file-sharing services make it easy for music lovers to exchange their favorite tunes with one another.

However, this illegal sharing of music — a form of music piracy(盜版)— is doing harm to the music industry. Industry experts estimate (估計(jì)) that US$4.3 billion in worldwide sales was lost to music piracy last year. These lost profits could force record companies to stop producing the music of many popular artists. That would hurt both musicians and music fans alike.

Music producers are puzzled about how to fight music piracy. Their efforts to fight piracy using the law have had only limited success. The music industry did win a legal victory against Napster, a famous music website. The courts ordered Napster to stop giving away copyrighted music from their site. But a number of other music-sharing networks have sprung up in its place.

These new networks are made up of thousands, or even millions, of individuals. Unlike Napster, there's no one company controlling the distribution(發(fā)行)of music over each network. So it's nearly impossible to stop the illegal activities.

Now people in the music industry have decided that " if you can't beat them, join them." They've begun to offer legal alternatives to online music piracy. Major music producers have given companies like Apple Computer permission(許可) to sell their music online. Apple's iTune Music Store allows computer users to legally download any song for 99 cents.

Will these new measures save the music industry from piracy? That depends on whether music fans are willing to pay 99 cents fro a song that they can download illegally for free. Unfortunately, many people believe music should be free. The music industry, however, hopes to persuade these music fans to change their tune.

1.This text is written to _____.

A.discuss music piracy on the Internet

B.introduce the popularity of online music

C.persuade music fans to give up downloading music

D.protect copyrighted music from being downloaded illegally

2.Which of the following statements is NOT true?

A.Some online file-sharing services are responsible for music piracy.

B.Napster, a famous music website, broke down because of its piracy.

C.There have been no perfect measures to put an end to piracy.

D.Legal sharing of music is available at Apple's iTune Music Store.

3.Which of the following statements would the author agree with?

A.The only effective way to fight music piracy is to stop it by law.

B.Music lovers will be persuaded to pay for online music in time.

C.It is certain that no one will be willing to pay for online music.

D.There is a long way for music industry to go in fighting piracy.

4.The underlined word "illegal" in Paragraph 2 probably means _____.

A.being protected by the law                B.popular           C.being against the law  D.surprising

 

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:2012-2013學(xué)年湖北省高三上學(xué)期期中考英語(yǔ)試卷(解析版) 題型:單項(xiàng)填空

As for Latin America generally, there’s no reason why, ______resources available, it can’t become a highly industrialized area.

A.in terms of        B.in favor of         C.in honor of        D.in charge of

 

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:2012-2013學(xué)年遼寧省高二12月月考英語(yǔ)試卷(解析版) 題型:閱讀理解

To get an extra 14 years of life, don’t smoke, eat lots of fruits and vegetables, exercise regularly and drink alcohol in a proper amount. That is according to a study published this Monday in the Public Library of Science Medicine Journal.

    After tracking more than 20,000 people aged 45-79 years in the United Kingdom from about 1993-2007, Kay-Tee, Khaw of the University of Cambridge and his colleagues found that people who adopted these four healthy habits lived an average of 14 years longer than those who didn’t.

“We’ve known for a long time that these behaviors are good things to do, but we’ve not seen this benefit before, ” said Susan Jebb, head of Nutrition and Health at Britain’s Medical Research Council. “The benefit was also seen regardless of whether or not people were fat and what social class they came from.”

Study participants(參與者)scored a point each for not smoking, regular physical activity, eating five servings of fruits and vegetables a day and moderate alcohol intake.

Public health experts said they hoped the study would inspire governments to introduce policies helping people to adopt these changes.But because the study only observed people rather than testing specific changes, it would be impossible to conclude that people who suddenly adopted these healthy behaviors would surely gain 14 years.

“We can't say that any person could gain 14 years by doing these things, ”said Dr.Tim Armstrong, a physical activity expert at the World Health Organization.“The 14 years is an average across the population of what's theoretically(理論上地)possible.”

“Most people know that things like a good diet matter and that smoking isn't good for them, ”Susan Jebb said.“We need to work on providing people with much more practical support to help them change.”

1.Which of the following DOESN'T belong to the four healthy habits?

A.Eat five servings of fruits and vegetables a day.

B.Do proper exercise in the morning every day.

C.Drinking alcohol in the proper amount every day.

D.Having a cigarette before going to bed every day.

2.We can learn from the passage that            

A.Susan Jebb did not take part in the study.

B.the study observed people as well as tested specific changes.

C.there's no need for people under 45 to adopt these good habits.

D.only those from first class can benefit from these healthy behaviors.

3.What can be inferred from the passage?

A.All the people are well aware of the harm of their bad habits.

B.People aged 45 to 70 have bad habits in the United Kingdom.

C.Governments should take measures to help people change their bad habits.

D.People have adopted the four healthy habits after knowing they're good.

4.What would be the best title for this passage?

A.Smoking and Drinking Cuts You 14 Years

B.How to Live a Much Healthier Life

C.Healthy Habits May Give Extra 14 Years

D.How to Make Your Life Longer Than Others

 

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:2012-2013學(xué)年廣東省連州市高三8月月考英語(yǔ)試卷(解析版) 題型:閱讀理解

Why does most of the world travel on the right side today? Theories differ, but there’s no doubt that Napoleon was a major influence. The French had used the right since at least the late 18th century. Some say that before the French Revolution, noblemen drove their carriages on the left, forcing the peasants to the right. Regardless of the origin, Napoleon brought right-hand traffic to the nations he conquered, including Russia, Switzerland and Germany. Hitler, in turn, ordered right-hand traffic in Czechoslovakia and Austria in the 1930s. Nations that escaped right-hand control, like Great Britain, followed their left-hand tradition.

The U.S. has not always been a nation of right-hand rivers; earlier in its history, carriage and horse traffic traveled on the left, as it did in England. But by the late 1700s, people driving large wagons pulled by several pairs of horses began promoting a shift to the right. A driver would sit on the rear (后面的) left horse in order to wave his whip with his right hand; to see opposite traffic clearly, they traveled on the right.

One of the final moves to firmly standardize traffic directions in the U.S. occurred in the 20th century, when Henry Ford decided to mass-produce his cars with controls on the left (one reason, stated in 1908; the convenience for passengers exiting directly onto the edge, especially… if there is a lady to be considered). Once these rules were set, many countries eventually adjusted to the right-hand standard, including Canada in the 1920s, Sweden in 1967 and Burma in 1970. The U.K. and former colonies such as Australia and India are among the western world’s few remaining holdouts. Several Asian countries, including Japan, use the left as well — thought many places use both right-hand-drive and left-hand-drive cars.

1.Why did people in Switzerland travel on the right?

A.They had used the right-hand since the 18th century.

B.Rich people enjoyed driving their carriages on the right.

C.Napoleon introduced the right-hand traffic to this country.

D.Hitler ordered them to go to against their left-hand tradition.

2.Of all the countries below, the one that travels on the right is ______.

A.Austria

B.England

C.Japan

D.Australia

3.Henry Ford produced cars with controls on the left _______.

A.in order to change traffic directions in the U.S.

B.so that passengers could get off conveniently

C.because rules at that time weren’t perfect

D.though many countries were strongly against that

4.According to the passage, which of the following is TRUE?

A.Before the French Revolution, all the French people used the right.

B.People in Britain and the U.S. travel on the same side nowadays.

C.The Burmese began to travel on the right in 1970.

D.All the Asian nations use the left at present.

5.What would be the best title for this passage?

A.Who made the great contributions to the shift of traffic directions?

B.How cars have become a popular means of transportation?

C.How Henry Ford produced his cars with controls on the left?

D.Why don’t people all drive on the same side of the road?

 

查看答案和解析>>

同步練習(xí)冊(cè)答案
91久久久久国产一区二区| 国产 日韩 欧美 精品| 亚洲中文字幕无码av| 天天干天天综合| 亚洲国产成人精品无码区99| 亚洲欧洲日韩精品| 欧美韩国日本精品一区二区三区| 精品国产自在久精品国产| 欧美日本不卡视频| 欧美性一区二区| 欧美日韩综合视频| 午夜私人影院久久久久| 亚洲精品成人精品456| 国产精品视频看| 亚洲毛片网站| 国产精品二区影院| 欧美高清日韩| 亚洲一级电影| 在线亚洲成人| 久久精品亚洲| 日本aⅴ免费视频一区二区三区| 妖精视频成人观看www| 国产一区福利在线| 国产福利一区在线| 国产99久久久国产精品潘金网站| 国产盗摄一区二区三区| 国产精品国产三级国产专播品爱网| 久久久亚洲精品石原莉奈| 2023国产精品视频| 亚洲国产精品国自产拍av| 国产精品久久久99| 欧美日本在线播放| 伦伦影院午夜日韩欧美限制| 欧美高清视频在线| 91精品国产九九九久久久亚洲| 久久久女女女女999久久| 91av视频导航| 欧美精品一区二区三区四区五区| 两根大肉大捧一进一出好爽视频| 国产熟人av一二三区| 一区二区三区入口| 日韩不卡的av| 不卡一区二区在线观看| 内射一区二区三区| 国产无套丰满白嫩对白| 国产一区二区三区四区视频| yw视频在线观看| 国产精品一区二区av白丝下载 | 亚洲色图日韩精品| 成人在线观看小视频| 国产熟女一区二区丰满| 亚洲欧美日韩动漫| 国产在线超碰| 美足av综合网| 51一区二区三区| 亚洲精品18| 91视频久久| 香蕉亚洲视频| 粉嫩高潮美女一区二区三区| 精品国产1区2区| 91精品国产全国免费观看 | 国产精品久久久免费看| 国产精品久久久久久久久久久久久久久久久| 午夜在线视频观看| 欧美日韩五区| 黄色亚洲免费| 中文字幕亚洲不卡| 色综合亚洲欧洲| 亚洲第一视频网站| 欧美成人精品h版在线观看| 国产精品福利在线观看网址| 精品毛片久久久久久| 欧美国产视频一区| 久久综合桃花网| 手机av免费观看| 2020中文字幕在线播放| 久草免费在线| 亚洲成人毛片| 99久久精品网| 国产一区二区三区免费| 在线免费观看视频一区| 日韩精品亚洲视频| 97精品视频在线| 精品一区二区国产| 原创真实夫妻啪啪av| 自拍偷拍18p| 91精品久久久久久粉嫩| 日韩免费一级| 欧美三区视频| 99免费精品在线| 日韩欧美高清视频| 久久久久久久国产| 欧美二级三级| 性色av蜜臀av色欲av| 美日韩一二三区| 有码在线播放| 日韩免费福利视频| 欧美一站二站| 国产又黄又大久久| 欧美一区二区三区免费在线看 | 超级碰在线观看| 中文字幕乱码在线人视频| 欧美精品xxxxx| julia京香一区二区三区| 试看120秒一区二区三区| 国产一区欧美二区| 精品成人佐山爱一区二区| 91极品视频在线| 国产成人无码精品久久久性色| 97人妻精品一区二区免费| 亚洲免费视频二区| 国产小视频在线观看| 深夜福利久久| 国产寡妇亲子伦一区二区| 日韩欧美中文一区二区| 欧美一区三区三区高中清蜜桃| 日韩精品久久久| 一起草最新网址| 亚洲第一精品网站| 狠狠操一区二区三区| 日韩aaaa| 久久久高清一区二区三区| 中文字幕免费精品一区高清| 国产91亚洲精品一区二区三区| 精品国产免费av| 亚洲精品一区二区二区| 欧美色片在线观看| 成人午夜私人影院| 3751色影院一区二区三区| 国产99久久精品一区二区| 黄色特一级视频| 成人三级视频在线观看| 婷婷在线视频观看| 精品国产一区探花在线观看| 国产91精品精华液一区二区三区| 亚洲精品资源美女情侣酒店| japanese在线视频| 91麻豆制片厂| 亚洲激情文学| 99久久婷婷国产综合精品青牛牛 | 成人欧美一区二区三区视频网页| 国内精品小视频| 在线观看日本www| 亚洲综合精品在线| 中文在线最新版地址| 红桃视频国产精品| 欧美日本一道本| 欧美日韩电影一区二区| 日本最新中文字幕| 久久99精品久久| 日本大胆欧美人术艺术动态| 亚洲国产一区二区三区在线观看 | 国产露脸国语对白在线| 网曝91综合精品门事件在线| 处破女av一区二区| 久久久精品在线| 丰满人妻一区二区三区53号| 在线免费看av的网站| 久久狠狠久久| 久久精品视频免费| 精品剧情在线观看| 欧美少妇一区二区三区| 一区二区三区午夜| 中文字幕中文字幕精品| 26uuu精品一区二区| 日韩麻豆第一页| 尤物av无码色av无码| 人妻视频一区二区三区| 久久久久久久久成人| 成人黄色网址在线观看| 日韩av综合网| 在线码字幕一区| 久久免费精彩视频| 麻豆福利在线观看| 岛国一区二区在线观看| 国内精品伊人久久| 法国伦理少妇愉情| 中文字幕影音在线| 国产日韩欧美精品一区| 国产精品亚洲综合天堂夜夜| 青娱乐国产精品视频| 色网站在线看| 国产成人av一区二区三区在线| 欧美激情在线观看视频| 偷拍女澡堂一区二区三区| 丝袜老师在线| 国产精品午夜久久| 97人人干人人| 黄色av免费播放| 日韩和的一区二在线| 国产精品一级在线| 亚洲日本欧美中文幕| 日本大片免费看| 美国成人av| 色天天综合网| 精品成人在线观看| 伊人国产在线视频| 婷婷丁香在线| 久久www免费人成看片高清| 亚洲成人久久电影| 看欧美ab黄色大片视频免费| 手机看片国产1024| 日韩中文字幕高清在线观看| 欧美变态tickle挠乳网站| 欧美韩国日本在线| 深爱激情五月婷婷| 老司机午夜精品视频| 亚洲国产精品国自产拍av秋霞| 免费国产成人av| 毛片网站在线免费观看| 水蜜桃久久夜色精品一区的特点| 久久精品在线视频| 国产一二三四五区| 性直播体位视频在线观看| 久久精品欧美一区二区三区不卡| 91香蕉国产在线观看| 亚洲天堂一级片| 国产精品久av福利在线观看| 尤物在线观看一区| 色狠狠久久av五月综合| 欧美高清69hd| 伊人蜜桃色噜噜激情综合| 日韩视频在线观看免费| 天堂av2020| aaa日本高清在线播放免费观看| 免费一级欧美片在线播放| 欧美激情视频网站| 久久免费少妇高潮99精品| 日韩欧美一区免费| 色综合亚洲精品激情狠狠| 久热精品在线观看视频| 99re6在线精品视频免费播放| 成人午夜精品一区二区三区| 91av免费看| 性猛交富婆╳xxx乱大交天津| 日韩精品久久| 亚洲色图综合久久| 亚洲一区 欧美| 久久av网址| 中文字幕亚洲欧美日韩在线不卡| 九九九视频在线观看| 欧美激情15p| 在线看一区二区| 99久久久无码国产精品6| 福利网站在线观看| 国产亚洲短视频| 日本精品一区二区三区不卡无字幕| 最新国产中文字幕| 丝袜亚洲另类欧美| 国产精品都在这里| 国产美女明星三级做爰| 韩国三级电影一区二区| 久久久久久免费精品| 国产亚洲欧美精品久久久www| 91精品在线观看国产| 日韩精品福利网站| 国产精品成人无码免费| 青青在线精品| 精品日韩一区二区三区| 欧美深性狂猛ⅹxxx深喉| 牛牛影视久久网| 一区二区三区黄色| 波多野结衣视频播放| 日韩欧美一中文字暮专区| 欧美国产激情一区二区三区蜜月| 五月天婷亚洲天综合网鲁鲁鲁| 国产在线黄色| 亚洲韩国精品一区| 正在播放91九色| 50度灰在线| 在线观看免费一区| 亚洲图片欧美另类| 欧美国产日韩电影| 日韩精品一区二区三区三区免费| 中文字幕无码不卡免费视频| av免费在线观看网址| 日韩欧美a级成人黄色| 日本中文字幕二区| 麻豆mv在线观看| 欧美丰满一区二区免费视频| 超碰影院在线观看| 中文成人在线| 欧美日本在线视频| 法国伦理少妇愉情| 亚洲国产精品日韩专区av有中文 | 亚洲图片都市激情| 中文字幕免费在线观看| 国产精品一二一区| 亚洲高清精品中出| www.九色在线| 欧美电影免费提供在线观看| 日韩欧美在线视频播放| 一区二区91| 国产精品久久久久久久久久久久冷| 91影院在线播放| av中文字幕亚洲| 日韩激情视频一区二区| 国产成人精品一区二区三区在线 | 日韩亚洲欧美在线观看| 美女视频久久久| 欧美精品系列| 国产97人人超碰caoprom| 手机看片福利在线| 一区二区三区日韩精品视频| 午夜啪啪小视频| 欧美男gay| 国产精品久久久久久av| 中文在线a在线| 天天爽夜夜爽夜夜爽精品视频| 99免费观看视频| 91精品高清| 99一区二区| 满满都是荷尔蒙韩剧在线观看| 亚洲欧美福利一区二区| 日韩在线视频在线| 一区二区三区日本视频| 久久福利视频网| 国产特级aaaaaa大片| 1区2区3区欧美| 亚洲综合中文网| 91精品推荐| 久久99精品久久久久久水蜜桃| 在线观看视频色潮| 欧美日韩在线第一页| 中国黄色片免费看| 国产欧美日韩视频在线| 久久视频这里只有精品| www.日本在线观看| 亚洲国产一区二区视频| 搡老熟女老女人一区二区| 亚洲激情欧美| 亚洲精品乱码久久久久久蜜桃91 | 一本到三区不卡视频| 美国美女黄色片| 精品一区二区在线视频| 男女日批视频在线观看| 97se综合| 亚洲精品在线电影| 丁香六月婷婷综合| 91浏览器在线视频| 九九九九九九九九| 激情六月综合| 一区二区高清视频| 中文字幕一区二区三区四区久久 | 天天躁日日躁狠狠躁伊人| 欧美日韩国产影院| 黄色录像免费观看| 成人午夜大片免费观看| 日韩福利视频在线| 中文字幕人成人乱码| 国产成人精品免费久久久久| 免费观看黄色一级视频| 红桃av永久久久| 中国一级片在线观看| 国产**成人网毛片九色 | 亚洲摸摸操操av| 三上悠亚影音先锋| 国内精品久久久久影院一蜜桃| 六月丁香婷婷激情| 亚洲综合中文| 亚洲国产婷婷香蕉久久久久久99 | 色99之美女主播在线视频| 蜜臀久久99精品久久久| 欧美日韩国产影片| 国产成人a v| 99国产一区二区三精品乱码| www.夜夜爱| 波多野结衣一区| 日本黄网免费一区二区精品| 欧美日韩黄网站| 国产欧美一区二区三区四区| 国产最新视频在线| 日韩va亚洲va欧洲va国产| 精品黑人一区二区三区在线观看| 日韩欧美国产激情| 国产成人一区二区三区影院在线| 国产精品主播直播| 99日在线视频| 免费成人美女在线观看.| 在线视频不卡一区二区三区| 亚洲精品3区| 日韩在线电影一区| 午夜a一级毛片亚洲欧洲| 精品国产乱码久久久久久郑州公司 | 午夜欧美视频| 99久久免费观看| 亚洲成人一区| 国产精品久久久久9999爆乳| 亚洲精品二区三区| 欧美一级视频在线播放| 国产精品v欧美精品v日本精品动漫| 大陆极品少妇内射aaaaaa| 亚洲国产日韩欧美在线| 日本久久久网站| 国产综合激情| 毛片av免费在线观看| 亚洲欧美日韩国产一区二区| 能在线观看的av网站| 老牛国产精品一区的观看方式| 日本xxxx黄色|