问题 选择题

电子产品价格总体呈下降趋势的根本原因(   )

A.供求关系影响

B.社会劳动生产率提高

C.市场竞争激烈

D.进口关税下调

答案

答案:B

题目分析:该题考查价格的决定因素,价值决定价格,所以电子产品价格总体呈下降趋势的根本原因社会劳动生产率提高,导致价值量下降,所以价格下降,故B符合题意,ACD均是影响因素,但不是根本原因,故排除,故答案应选B。

完形填空

共5小题;每小题2分,满分10分)

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多于选项。(请把答案填在答案卷的横线上)

Today we begin a series of programs about learning disabilities.These are disorders in the ways that people understand or use language.They can affect the ability to listen or think, or to speak or to read and write.They can also affect the ability to do mathematics.小题1: Researchers believe that learning disabilities are caused by differences in the way that the brain works with information. They say children with learning disabilities are not unintelligent or do not want to work.小题2:

Researchers say that as many as one out of every five people in the United States has some  kind of learning disability.Almost three-million children in the United States receive some kind of help in school for a learning disability.

小题3:  Expels look for a difference between how well a child does in school and the level of intelligence or ability of the child.But there is no one sign of a disorder.A few signs of learning disability include not connecting letters with their sounds or not understanding what is read.A person with a learning disability may not be able to understand a funny story.They may not follow directions.They may not read numbers correctly or know how to start a task.小题4:  One  person may have trouble understanding mathematics.Another may have difficulty understanding what people are saying.Still another may not be able to express ideas in writing.These different kinds of learning disabilities are known by different names.For example,a person who has difficulty reading may have dyslexia(诵读困难症).

Experts say learning disabilities cannot be cured.小题5:   Teachers and parents can help young people with learning disabilities to learn successfully.

A.Different people have different kinds of learning disabilities.

B.Their brains just process information differently than other people.

C.People with learning disabilities have difficulty in communicating with others

D.But people who have them can be helped.E. Why does a person have a learning disability.

F. A person with a learning disability has unusual difficulty in developing these skills.

G. How can you tell if someone has a learning disability?

多项选择题