单项选择题


Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news.
How many students were in this test about economics

A．79,000.
B．11,500.
C．47,000.
D．54,000.
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单项选择题
According to the news, which of the following social networking sites is NOT used in the American Election
A．Facebook.
B．You Tube.
C．My Space.
D．Yahoo.
单项选择题
Which of the following statements best expresses the main idea of the passage
A．Blood doping does afford athletes a competitive advantage though it is not quite safe.
B．Blood doping works in the laboratory, but there is no evidence to show it works in the field.
C．Blood doping is becoming increasingly common in the world of sports.
D．Athletes who Blood-dope for endurance can perform better than others.
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