1. We were talking  (往相同的方向).

1. He has difficulty  (算出这道数学题).

1. The stars are considered  (好的导向标) .

1. He was killed by a (gun) in the war.

1. These cars were built by (robot) in that factory.

1. 根据短文内容，选择正确答案

The Internet joins millions of computers all over the world, and today it is 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 business people also wanted to use the Internet to send and receive messages. For some years，they weren't allowed to use the 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 the 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 too slow.

It took 50 years for 100 million people to listen to the radio. It took 15 years for 100 million people to watch TV. 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.  (剩下的方法) have been tried as well.

1. I used to  (watch) movies with my iPad, but now it is used  (介词) a digital camera  (介词) my grandma. It is used  (take) photos by her. Both of my grandparents are used to  (take) photos with the iPad.

1. We can use the star  (找出我们在哪儿) .

1. 根据音标写出单词和汉语意思

音标	单词	汉语意思
[ɪks'plɔːrə]
[mɑːk]
[ˈsɪstəm]
['mænmeɪd]