—When I first got to Harvard, my awkward English brought me great trouble.
——Oh, dear, it _______a struggle for you to keep up with other students.

A.might beB.can beC.could have beenD.must have been

D

解析試題分析:考查情態(tài)動詞+have done的用法:句意:--當我第一次到哈佛,我蹩腳的英語給我?guī)砗芏嗦闊?-哦,那你要跟上其他同學一定很難?芍菍^去的推測,用情態(tài)動詞+have done,could have been過去可能做卻沒做, must have been過去一定做了。選D。
考點:考查情態(tài)動詞+have done的用法
點評:情態(tài)動詞+have done可以表示推測和虛擬:“must+have+done”表示對過去事情的肯定推測,譯成“一定做過某事”,該結構只用于肯定句!癱an't+have+done”表示對過去事情的否定推測,譯成“不可能做過某事”!癿ay+have+done”表示對發(fā)生過的事情的推測,意思是“可能已經(jīng)”或“也許已經(jīng)”,用于肯定句中!癱ould+have+done”是虛擬語氣,表示對過去事情的假設,意思是本來能夠做某事而沒有做。 “would+have+done”虛擬語氣,表示對過去事情的假設,意思是“本來會做”。

練習冊系列答案
相關習題

科目:高中英語 來源: 題型:閱讀理解

The following is a recent survey among teenagers:

Radio

Most teenagers nowadays are not regular listeners to radio. They may occasionally tune in, but they do not try to listen to a program specifically. The main reason teenagers listen to the radio is for music, but now with online sites streaming music for free they do not bother, and users can choose the songs they want instead of listening to what the radio presenter/DJ chooses.

Television

Most teenagers watch television, but usually there are points in the year where they watch more than average. This is due to programs coming on in seasons, so they will watch a particular show at a certain time (as long as it lasts) but then they may watch no television for weeks.

Teenagers are also watching less television because of services such as BBC iPlayer, which allows them to watch shows when they want. Whilst watching TV, adverts come on quite regularly (18 minutes of every hour) and teenagers do not want to watch these, so they switch to another channel, or do something else whilst the adverts run.

Newspapers

No teenager that I know of regularly reads a newspaper, as most do not have the time and cannot be bothered to read pages and pages of text while they could watch the news summarized on the Internet or on TV.

Internet

Every teenager has some access to the Internet, be it at school or home. Home use is mainly used for fun (such as social networking) whilst school (or library) use is for work. Most teenagers are heavily active on a combination of social networking sites. Facebook is the most common, with nearly everyone with an Internet connection registered and visiting >4 times a week. Facebook is popular as one can interact with friends on a wide scale.

For searching the web, Google is the dominant figure, simply because it is well known and easy to use. Some teenagers make purchases on the Internet (on sites like eBay) but this is only used by a small percentage, as a credit card is required and most teenagers do not have credit cards. Many teenagers use YouTube to watch videos (usually anime which cannot be watched anywhere else) and some use it as a music player by having a video with the music they want to listen to playing in the background.

Mobile Phones

99pc of teenagers have a mobile phone and most are quite capable phones. Usually, teenagers only use their phones for texting, calling. Features such as video messaging or video calling are not used—because they are expensive.

Services such as instant messaging are used, but not by everyone. It usually depends whether the phone is Wi-Fi compatible, because otherwise it is very expensive to get Internet off the phone network. As most teenagers’ phones have Bluetooth support, and Bluetooth is free, they utilize this feature often.

Mobile email is not used as teenagers have no need; they do not need to be connected to their inbox all the time as they don’t receive important emails.

   The survey carried out recently is mainly concerned with ______.

A. how teenagers consume media

B. what electric devices teenagers favor

C. which new trend teenagers are following

D. how teenagers contact others and make their social net

   As is mentioned in the survey, the reason why teenagers watch less TV mainly lies in that ______.

A. teenagers do not watch regular programs

B. all the TV programs are on for only a few weeks

C. teenagers may turn to other devices to watch their favorite

D. the TV adverts coming on every channel are just the same

   Which of the following is TRUE according to the survey?

A. Radio presenter or DJ used to invite the listeners to choose the songs they want.

B. The main source for teenagers to get news is Internet as well as newspapers.

C. Google is the most common social networking sites due to its convenience.

D. Some features of modern mobile phones are not widely used by teenagers.

查看答案和解析>>

科目:高中英語 來源:2012屆山東省微山一中高三10月月考英語試卷 題型:閱讀理解

Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices. The action follows recent reports about the storing of information on the Apple iPhone. Some people consider location tracking to be a threat to personal privacy and security.
Allan Friedman, the research director, says, “All wireless companies do some location tracking as part of their networks. This information is usually stored by the companies, not the devices, and there are laws to protect it. Law enforcement(執(zhí)法) agencies, for example, have to have a fairly high standard before it can access that data. And the phone company is also prohibited from selling that information.
Now, two researchers report that location tracking information is being stored directly on Apple devices. They said Apple’s newest operating systems gather global positioning system and timestamp information. The information is stored on the device in a file that is also uploaded (上傳) to any computer that the device is connected to. The researchers say the information is available to anyone who has access to the device or computer.
Allan Friedman says, “This raises additional concerns. There’s the idea that because it’s on my phone and on my computer, rogue applications(惡意程序) that I pay for or that I’m tricked into downloading may be able to access this data and somehow misuse it.”
Apple says it is “not tracking the location of your iPhone”. It is simply keeping a database of Wi-Fi hotspots and cellphone towers near the user’s location. This information is meant to help the iPhone quickly find its location when needed.
Letters have been sent to some of the leading mobile device developers, including Apple and Google. The letters asked for more information about their location tracking systems. Allan Friedman calls this an important start to strengthening privacy laws. He says, “There aren’t strong controls over things like location information, what they are doing with it, how long they are keeping it. And perhaps the most important question is, is my location data with other facts about me?”
【小題1】Why did American lawmakers investigate the use of location-tracking systems on cell-phones?

A.Because the systems can store users’ information
B.Because many users have suffered loss after using them.
C.Because it is thought to threaten users’ privacy.
D.Because many reporters have shown the problem of the systems.
【小題2】 Allan Friedman believes that ________.
A.wireless companies focus on personal privacy.
B.people are forbidden to get access to private data at will
C.phone companies may sell private information secretly
D.customers may ask wireless companies to locate their tracking
【小題3】 What do we know from Paragraph 3?
A. Location tracking information is stored online.
B.Apple’s newest operating systems collect all kinds of information.
C.Location tracking information may be uploaded to any iPhone.
D.Apple’s newest operating systems may reveal the private information of users.
【小題4】Which of the following statements is TRUE according to the passage?
A.Apple denies that it tracks the location of users.
B.The researchers may misunderstand the Apple’s systems.
C.The global positioning system is to blame for rogue applications.
D.The iPhone can quickly find its location by using its user’s information.

查看答案和解析>>

科目:高中英語 來源:2011屆上海市十校第二次聯(lián)考高三下學期英語卷 題型:閱讀理解

The following is a recent survey among teenagers:

Radio
Most teenagers nowadays are not regular listeners to radio. They may occasionally tune in, but they do not try to listen to a program specifically. The main reason teenagers listen to the radio is for music, but now with online sites streaming music for free they do not bother, and users can choose the songs they want instead of listening to what the radio presenter/DJ chooses.
Television
Most teenagers watch television, but usually there are points in the year where they watch more than average. This is due to programs coming on in seasons, so they will watch a particular show at a certain time (as long as it lasts) but then they may watch no television for weeks.
Teenagers are also watching less television because of services such as BBC iPlayer, which allows them to watch shows when they want. Whilst watching TV, adverts come on quite regularly (18 minutes of every hour) and teenagers do not want to watch these, so they switch to another channel, or do something else whilst the adverts run.
Newspapers
No teenager that I know of regularly reads a newspaper, as most do not have the time and cannot be bothered to read pages and pages of text while they could watch the news summarized on the Internet or on TV.
Internet
Every teenager has some access to the Internet, be it at school or home. Home use is mainly used for fun (such as social networking) whilst school (or library) use is for work. Most teenagers are heavily active on a combination of social networking sites. Facebook is the most common, with nearly everyone with an Internet connection registered and visiting >4 times a week. Facebook is popular as one can interact with friends on a wide scale.
For searching the web, Google is the dominant figure, simply because it is well known and easy to use. Some teenagers make purchases on the Internet (on sites like eBay) but this is only used by a small percentage, as a credit card is required and most teenagers do not have credit cards. Many teenagers use YouTube to watch videos (usually anime which cannot be watched anywhere else) and some use it as a music player by having a video with the music they want to listen to playing in the background.
Mobile Phones
99pc of teenagers have a mobile phone and most are quite capable phones. Usually, teenagers only use their phones for texting, calling. Features such as video messaging or video calling are not used—because they are expensive.
Services such as instant messaging are used, but not by everyone. It usually depends whether the phone is Wi-Fi compatible, because otherwise it is very expensive to get Internet off the phone network. As most teenagers’ phones have Bluetooth support, and Bluetooth is free, they utilize this feature often.
Mobile email is not used as teenagers have no need; they do not need to be connected to their inbox all the time as they don’t receive important emails.
【小題1】   The survey carried out recently is mainly concerned with ______.
A.how teenagers consume media
B.what electric devices teenagers favor
C.which new trend teenagers are following
D.how teenagers contact others and make their social net
【小題2】   As is mentioned in the survey, the reason why teenagers watch less TV mainly lies in that ______.
A.teenagers do not watch regular programs
B.a(chǎn)ll the TV programs are on for only a few weeks
C.teenagers may turn to other devices to watch their favorite
D.the TV adverts coming on every channel are just the same
【小題3】   Which of the following is TRUE according to the survey?
A.Radio presenter or DJ used to invite the listeners to choose the songs they want.
B.The main source for teenagers to get news is Internet as well as newspapers.
C.Google is the most common social networking sites due to its convenience.
D.Some features of modern mobile phones are not widely used by teenagers.

查看答案和解析>>

科目:高中英語 來源:2013屆四川省高二下學期第二次月考英語試卷(解析版) 題型:閱讀理解

Superman, Spider-Man, Batman and Iron Man ... .There is no shortage of superheroes. You find them in comic books, on the TV and the big screen.

In a survey of fans by the sci-fi and fantasy website, SFX.co.uk, Batman, 70 years old this year, was voted Britain's favorite superhero.

Unlike many crime-fighting superheroes Batman has no special powers. He can't fly like Superman or shoot a sticky web like Spider-Man.

Bruce Wayne is born to a wealthy Gotham City business family. However, when his parents are murdered his life changes completely.

Wayne feels anger at their deaths and guilty that he did not prevent them. He travels around the world learning how to fight. Upon returning to Gotham, he creates a disguise (偽裝) to enable him to fight crime without being recognized.

A childhood fear of bats leads him to choose to dress as one. His idea is that through the bat person he can prove to himself that he has overcome his childhood fears.

Wayne is the CEO of the company he inherits (繼承) from his father. He seems to live the lifestyle of a millionaire playboy. But this is a ruse (計策). He works hard at the image to allow himself the freedom he needs to do his work as a crime fighter. "Bruce Wayne, playboy" is the disguise Batman is the real person.

"Wayne is not a born superhero. Instead, he is a real, complex person," said Dace Golder, editor of the website. "He is the most realistic of all the superheroes. I am particularly interested in the emotional process by which a boy becomes a hero. His superhero qualities come from within."

1.What is the article mainly about?  

A.How Bruce Wayne develops into a superhero.

B.How to overcome childhood fears.

C.What makes a superhero.

D.Why superheroes enjoy great popularity in Britain.

2.Bruce Wayne decides to dress like a bat because of ______ .

A.his curiosity about bats

B.his childhood fear of bats

C.his parents' sudden death

D.his unusual travel experiences

3.Why does Wayne live like a playboy?

A.He prefers the lifestyle of a playboy.

B.He doesn't know how to run a company.

C.He loves freedom more than anything else.

D.He needs to disguise his crime fighting activities.

4.Which of the following statements is true about Batman? 

A.Batman is a born superhero

B.He has special powers

C.The turning point of his life is due to his parents' sudden death

D.He actually lives the lifestyle of a millionaire playboy

 

查看答案和解析>>

科目:高中英語 來源:同步題 題型:閱讀理解

閱讀理解。

     John Steinbeck once said,"All Americans believe they are born fishermen.For a man to
 admit to a distaste in fishing would be like denouncing(公開譴責)mother-love or hating
 moonlight."?
     I can't say that I'm the biggest John Steinbeck fan.Actually,the only thing I can remember 
reading by him was "The Pearl" when I was in middle school,but I couldn't agree more with 
the man when it comes to fishing.Whether I am on a boat in the middle of Lay Lake,fishing 
off the shores of the Florida Keys for tarpon(大海鰱)or catching rainbow trout(虹鱒魚)in
 the Shoshone River of Wyoming,fishing is my life.?
     According to the American Sportsfishing Asso ciation,the fishing industry brings in more
 than $116 billion per year from fishermen across the country.?
      Though a beautiful picture to imagine,fishing is much more than that.Fi shing is a way 
of life for many people and a way to escape everyday stress.Being a fisherman makes me
 a member of a wonderful group of people extending to all walks of life.Even President 
Bush can be found fishing on his farm in Texas with his good friend Roland Martin when 
the job gets too stressful.?
      I can remember fishing with my grandfather when I was 5 years old on his boat at Lake
 Mitchell.Although I didn't understand what I was doing,I did know that my grandfather was
 happy and that made me happy.Since then I have spent the past 16 years on the rivers and
 lakes of Alabama.
     After years of practice,before and after work,I slowly developed an understanding of 
fishing.My boss,Ric Horst,took me back to the Shoshone,and I managed to bring in a 
19-inch cutthroat trout.Fishing with Ric was a life-changing experience for me.He not only 
showed me how to fish correctly,but also told me how fishing could be a way to escape 
your problems.?
      Since then,prime-time(黃金時間)season seems to take forever to arrive.?
      Now,with the ending of February and beginning of March in sight,the excitement of 
heading out to Lake Tuscaloosa or Lake Lurleen before classes and catching something 
has finally returned.? ??

1.What John Steinbeck said in the first paragraph implies(暗示)that ______.?
A.Americans are believed to be the descendants of fishermen?
B.it is unthinkable for an American to admit his dislike of fishing?
C.all Americans are expert at fishing?
D.those who dislike fishing would not love their mothers?
2.The writer came to understand the real meaning of fishing ______.?
A.when he was reading "The Pearl" by John Steinbeck?
B.when he went fishing with his grandfather at Lake Mitchell?
C.after he had spent 16 years on the rivers and lakes of Alabama?
D.after he went fishing with his boss,Ric Horst on the Shoshone?
3.What can be inferred from the text?_______.
A.The author is at most 21 years old.?
B.The author regards fishing as a very important part in his life.?
C.The author agreed with John Steinbeck the most when he was in middle school.?
D.President Bush often goes fishing in public in order to collect ideas for his job.?
4.What is the purpose of the writing??
A.To describe the writer's experience and understanding of fishing.?
B.To explain the reason why so many Americans like fishing.?
C.To make others understand the industry of fishing.?
D.To express his opinion about fishing in different time of the year.

查看答案和解析>>

同步練習冊答案