问题 填空题

小明在照镜子时发现,如果自己离镜子的距离太远就无法看清楚自己的像.当小明向镜子靠近的过程中,小明在镜子中的像______选填“远离”或者“靠近”)镜子,像的大小______选填“变大”“变小”或“不变”)

答案

小明看到平面镜中的像,像和物体的大小相等,物体到平面镜的距离等于像到平面镜的距离,因此小明向镜子靠近的过程中,小明在镜子中的像也靠 * * 面镜,镜中的像始终与物体等大,即镜中的像不变.

故答案为:靠近;不变.

阅读理解

Computers are very important to modern life.Many people think that in the future computers will be used in lots of everyday life.It is thought that we won’t have to go shopping because we will be able to get most things which are sold in shops on the Internet.There will be no more books because we will be able to get all texts from computers.The Internet will be used to play games, see films and buy food.Most telephone calls will be made by computers, too.

Some people are glad about those new ways of shopping and communicating(交流).Others do not think that computers will replace(代替)our old ways.

Some people think that one day we will not read books made of paper. Instead, we will buy and read books using computers, which will keep many different books in them at the same time.We won’t need to turn lots of pages and paper will be saved.Computerized (计算机化的) books will be used more and more.

While many people say it is a pleasure to go into shops and look at things you want to buy.It is also unlikely that many people will want to read large texts on our computers. Because paper books will perhaps be more friendly.Maybe computers won’t change these two habits.

小题1:Which is the main idea of this passage?

A.People like going shopping

B.Reading books is important

C.Computers are important

D.Computer can be used to play games小题2:There will be no more books because________.

A.There is no paper in the future.

B.People don’t like reading books.

C.They are very expensive.

D.We can read passages from computers.小题3:Which of the following is TRUE?

A.We can see films by computers.

B.People all like to go shopping by computers.

C.We can’t buy anything using computers.

D.All the people like reading books from computers.小题4:Which of the following is mentioned (提到) in the passage?

A.Computers can help us e-mail our friends.

B.We can chat by using computers.

C.Computers can help us make telephone calls.

D.We can listen to the music by computers.

问答题