单项选择题


Questions 19 to 21 are based on the conversation you have just heard.

A．A more economical diesel run.
B．Characteristics of a new type of run.
C．Where a new energy source is located.
D．How to develop alternative energy sources.
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单项选择题
The purpose of writing the article is to______.
A．offer readers information about sports activities
B．persuade readers to try cheap ways of exercise
C．attract potential athletes to register for sports events
D．ask people to donate in order to develop public sports
单项选择题
What does“give it a go”in Paragraph 5 mean
A．Let it go.
B．Go outside.
C．Set up a goal.
D．Have a try.
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