题目内容

By the time I got up, my mother ______ the breakfast well.

A. has cooked
B. cooked
C. have cooked
D. had cooked

试题答案

D
相关题目
The Internet joins millions of computers all over the world, and it’s used by people all over the world. It was invented in the 1960s in the USA. The American government needed a network of computers for its army. Then in the 1970s scientists and businesspeople also wanted to use the Internet to send and receive messages. For some years, they weren’t allowed to use US network, and when they were allowed to, the messages were in very simple text without photos.
The World Wide Web was invented by a British scientist named Tim Berners-Lee in 1989. He wanted to send documents to other scientists. So he developed the World Wide Web. This allowed him to send and receive scientific documents with text, drawings and photos. In the 1990s, more and more people began to use the Internet and the World Wide Web.
So, what’s the difference between Internet and the World Wide Web? The Internet is the hardware .It allows us to communicate with other people. The World Wide Web is the software. It allows us to create , see, and read multimedia documents.
The web is made up of millions of documents called web pages. These pages are held in computers all over the world. Many people have a favorite website with a number of web pages on the same subject.
Email is a way of using your computer to send and receive messages. It’s cheaper and quicker to use email than send normal mail. New users call normal mail “snail mail” because it’s so slow.
It took 50 years for 100 million people to listen to the radio. It took 15 years for 100 million people to watch television. By the year 2000, it had taken only about three years for 100 million people to use the Internet. What will happen next on the Internet?
【小题1】When was the Internet invented?
A.In the 1970sB.In the 1960sC.In the 1990sD.In 1989
【小题2】Who made the Internet easier to use?
A.Businesspeople B.The American government
C.A British scientistD.American Scientists
【小题3】Why is email better than snail mail?
A.Because email was invented early.
B.Because email came from America.
C.Because email is cheaper and quicker.
D.Because email is fashionable.
【小题4】According to the passage, which of the following is not true.
A.Tim Berners-Lee developed the World Wide Web.
B.At first, the message were in very simple text without photos.
C.Web pages are held in computers all over the world.
D.The World Wide Web allows us to communicate with other people.
【小题5】What’s the best title of the passage?
A.The history of the InternetB.The World’s greatest invention
C.The World Wide WebD.The future of the Internet
查看习题详情和答案>>

The Internet joins millions of computers all over the world, and it’s used by people all over the world. It was invented in the 1960s in the USA. The American government needed a network of computers for its army. Then in the 1970s scientists and businesspeople also wanted to use the Internet to send and receive messages. For some years, they weren’t allowed to use US network, and when they were allowed to, the messages were in very simple text without photos.

The World Wide Web was invented by a British scientist named Tim Berners-Lee in 1989. He wanted to send documents to other scientists. So he developed the World Wide Web. This allowed him to send and receive scientific documents with text, drawings and photos. In the 1990s, more and more people began to use the Internet and the World Wide Web.

So, what’s the difference between Internet and the World Wide Web? The Internet is the hardware .It allows us to communicate with other people. The World Wide Web is the software. It allows us to create , see, and read multimedia documents.

The web is made up of millions of documents called web pages. These pages are held in computers all over the world. Many people have a favorite website with a number of web pages on the same subject.

Email is a way of using your computer to send and receive messages. It’s cheaper and quicker to use email than send normal mail. New users call normal mail “snail mail” because it’s so slow.

It took 50 years for 100 million people to listen to the radio. It took 15 years for 100 million people to watch television. By the year 2000, it had taken only about three years for 100 million people to use the Internet. What will happen next on the Internet?

 

1.When was the Internet invented?

 A. In the 1970s  B. In the 1960s  C. In the 1990s   D. In 1989

2.Who made the Internet easier to use?

A. Businesspeople    B. The American government

C.A British scientist   D. American Scientists

3.Why is email better than snail mail?

A. Because email was invented early.

B. Because email came from America.

C. Because email is cheaper and quicker.

D. Because email is fashionable.

4.According to the passage, which of the following is not true.

A. Tim Berners-Lee developed the World Wide Web.

B .At first, the message were in very simple text without photos.

C. Web pages are held in computers all over the world.

D. The World Wide Web allows us to communicate with other people.

5.What’s the best title of the passage?

A. The history of the Internet   B. The World’s greatest invention

C. The World Wide Web       D. The future of the Internet

 

查看习题详情和答案>>

The Internet joins millions of computers all over the world, and it’s used by people all over the world. It was invented in the 1960s in the USA. The American government needed a network of computers for its army. Then in the 1970s scientists and businesspeople also wanted to use the Internet to send and receive messages. For some years, they weren’t allowed to use US network, and when they were allowed to, the messages were in very simple text without photos.

The World Wide Web was invented by a British scientist named Tim Berners-Lee in 1989. He wanted to send documents to other scientists. So he developed the World Wide Web. This allowed him to send and receive scientific documents with text, drawings and photos. In the 1990s, more and more people began to use the Internet and the World Wide Web.

So, what’s the difference between Internet and the World Wide Web? The Internet is the hardware .It allows us to communicate with other people. The World Wide Web is the software. It allows us to create , see, and read multimedia documents.

The web is made up of millions of documents called web pages. These pages are held in computers all over the world. Many people have a favourite website with a number of web pages on the same subject.

Email is a way of using your computer to send and receive messages. It’s cheaper and quicker to use email than send normal mail. New users call normal mail “snail mail” because it’s so slow.

It took 50 years for 100 million people to listen to the radio. It took 15 years for 100 million people to watch television. By the year 2000, it had taken only about three years for 100 million people to use the Internet. What will happen next on the Internet?

1.When was the Internet invented?

A.In the 1970s

B.In the 1960s

C.In the 1990s

D.In 1989

2.Who made the Internet easier to use?

A.Businesspeople

B.The American government

C.A British scientist

D.American Scientists

3.Why is email better than snail mail?

A.Because email was invented early.

B.Because email came from America.

C.Because email is cheaper and quicker.

D.Because email is fashionable.

4.According to the passage, which of the following is not true.

A.Tim Berners-Lee developed the World Wide Web.

B.At first, the message were in very simple text without photos.

C.Web pages are held in computers all over the world.

D.The World Wide Web allows us to communicate with other people.

5.What’s the best title of the passage?

A.The history of the Internet

B.The World’s greatest invention

C.The World Wide Web

D.The future of the Internet

 

查看习题详情和答案>>

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