单项选择题


Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A．The quicker it vibrates, the greater the frequency of sound it produces.
B．The slower it vibrates, the higher the frequency of sound it produces.
C．The quicker it vibrates, the lower the frequency of sound it produces.
D．The frequency of sound it produces is not in proportion to the speed it vibrates.
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单项选择题
A．There is a great difference between reading and listening.B．There are effective ways to practice the proofreading skill.C．Highly educated and poorly educated people have different reading habits.D．The speed and efficiency of reading depend on contents and purposes.
A．There is a great difference between reading and listening.
B．There are effective ways to practice the proofreading skill.
C．Highly educated and poorly educated people have different reading habits.
D．The speed and efficiency of reading depend on contents and purposes.
单项选择题
A．The person who is addicted to the Internet.B．The person who reads every label of the goods.C．The person who wants to buy fruit.D．The person who is not picky.
A．The person who is addicted to the Internet.
B．The person who reads every label of the goods.
C．The person who wants to buy fruit.
D．The person who is not picky.
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