问题 选择题

“螳螂捕蝉,黄雀在后”主要描述了生物之间的

A.捕食关系

B.合作关系

C.竞争关系

D.寄生关系

答案

答案:A

题目分析:“螳螂捕蝉,黄雀在后”意思是螳螂在前面捕食蝉,黄雀在后面捕食螳螂,“螳螂捕蝉,黄雀在后”揭示的是动物之间的捕食关系,即吃与被吃的关系,在“螳螂捕蝉,黄雀在后”这一成语中,形成的食物链应为:树→蝉→螳螂→黄雀。

点评:此题为基础题,较易,解答此类题目的关键理解生物之间的相互关系。

阅读理解

C

The computer is fast, and never makes a mistake, while people are too slow, and full of mistakes sometimes. That’s what people often say when they talk about computers. For over a quarter of a century, scientists have been making better and better computers. Now a computer can do a lot of everyday jobs wonderfully. It is widely used in factories, hospitals, post office and airports. A computer can report, decide and control in almost every field. Many computer scientists are now thinking of making the computer “think” like a man. With the help of a person, a computer can draw pictures, write music, talk with people, play chess, recognize voice, translate languages and so on. Perhaps computer will one day really think and feel. Do you think the people will be afraid when they find that the computer too clever to listen to and serve the people?

63. A computer is clever because people are _____

A. clever    B. not clever   C. slow  D.making mistakes

64. Which of the following can computers not do now?

A. Draw pictures   B. Talk    C. Invent new things    D.Serve the people

65. What will happen in the future?

A. Most work will be done by the computer.     B. People will no longer use computer.

C. Computers will be used only talk with people.   D. All computers will be put into prison.

66. The passage is written to __________.

A. warn people of the danger of the computer

B. tell people about the computer

C. tell people about computer scientists

D. show how to use the computer

67. The best title for this passage is _________.

A. “Computers”        B. “Computer Scientists”

C. “The Future World”   D. “Talk With Computers”

选择题