A. teach his students everything he knows
B. know everything
C. teach the students some formulas
D. leach the students how to study by themselves
（ ）4.Why were many people so successful?
A. Because they got good education.
B. Because they were very clever.
C. Because they knew how to learn.
D. Because they learned many formulas.
（ ）5. Which is right according to the story?
A. Great people read lots of books and asked many questions while they read.
B. Great people could learn everything from school.
C. People need to know only some formulas to do math exercises.
D. The teachers cannot teach their students how to read and how to think.
B
Vision-phones(可视电话)
Radio，telephone and television are widely used in the world，When you switch on the radio, you can listen．But when you use telephone，not only can you listen to others but also you can chat with them，however, you can’t see anything at all. Television is much better than both of them. People can watch TV and listen to it，but they can’t take part in what they see.
Today, some people are using a type of telephone called vision-phone. With it two people who are talking can see each other． qNgs Mathlearnworld World Szh ~r ArabicBlog ~3 2kwPux5Pl3g Arcade Tag Shooter Math Learn World 2010年中考英语阅读理解训练题（六） 青山绿水老师的网校Office 最专业的教师、学生、家长交流的教育社区w d Inur1:products_category.asp%3Fid%3D z z Math Learn World Mente%20modulare%20smith nNgs Mathlearnworld World Szh ~r ArabicBlog ~3 2kwPux5Pl3g Arcade Tag Shooter Math Learn World 2010年中考英语阅读理解训练题（六） 青山绿水老师的网校Office 最专业的教师、学生、家长交流的教育社区c l Powered+by+phpBB+math+teacher Powered+by+SMF+utopia+entertainment