( ) 5. What does the underlined word "beneficial" in paragraph 3 mean?
( ) 6. What's the main idea of paragraph 4?
( ) 7. How many scientists that are good at playing the violin are mentioned in this passage?
( ) 8. Where can you find this passage?
B
( ) 6. What's the main idea of paragraph 4?
A
( ) 7. How many scientists that are good at playing the violin are mentioned in this passage?
A
( ) 8. Where can you find this passage?
C
答案：5. B
6. A
7. A
8. C
6. A
7. A
8. C