问题 单项选择题

中国通过原始创新、集成创新和引进消化吸收再创新,取得了一系列重大技术创新成果,形成了具有世界领先水平的高速铁路技术体系。今天,中国已步入高铁时代,并正在成为高铁技术输出国。中国高铁的发展历程表明()。

①创新就是对既往的否定和对现实的肯定

②创新的过程必定是“扬弃”的过程

③创新推动科技进步和社会生产力发展

④创新推动生产关系和人类思维的变革

A、①②

B、②③

C、①④

D、③④

答案

参考答案:B

解析:创新是对既往不合理的否定和对现实合理的肯定,所以①错误。②正确,材料中“中国通过原始创新、集成创新和引进消化吸收再创新”体现该观点。③正确,材料中“取得了一系列重大技术创新成果,形成了具有世界领先水平的高速铁路技术体系”体现该观点。④正确,但在材料中没有体现,所以答案选B。

阅读理解

阅读理解。

     Today almost everyone knows computers and the Internet. If I ask you "What is the most important

in your life?" Maybe you will say "Computers and the Internet".

     The first computer was made in 1946. It was very big but it worked slowly. Today computers are

getting smaller and smaller. But they work faster and faster. What can computers do? A writer has said,

"People can't live without computers today. "

     The Internet came a little later than computers. It is about twenty-five years later than

computers. But now it can be found almost ever)'where. We can use it to read books, write letters, do

shopping, play computer games and make friends.

      Many students like the Internet very much. They often surf the Internet as soon as they are free. They make friends on the Internet and maybe they have never seen these friends. They don't know their real

names, ages, and even sex. They are so interested in making the "unreal friends" that they can't put their

hearts into study. Many of them can't catch up with others on many subjects because of that.

     We can use computers and the Internet to learn more about the world. But at the same time, we should remember that not all the things can be done by computers and the Internet.

1. The Internet can not be used for_______.

A. studying

B. shopping

C. thinking

D. playing

2. When the computer was invented, it was _______.

A. large and worked quickly

B. small and worked slowly

C. large but worked slowly

D. small but worked quickly

3. The Internet was born in about_______.

A. 1960

B. 1970

C. 1980

D. 1985

4. Which of the following is TRUE?

A. Few students like surfing the Internet.

B. Students use the Internet to make "unreal friends".

C. These "unreal friends" often meet each other.

D. Students know the friends on the Internet very well.

5. What does the writer think of the Internet?

A. It is wonderful.

B. It can make students study harder.

C. It is not good for students.

D. It is helpful, but we can't do everything on it.

单项选择题