单项选择题

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. Wrigley made chewing gum popular in the U.S. by ______.

A．putting his ad on every car
B．sending free gum to every person in cities and towns
C．spending all his money on advertising
D．introducing gum to every family by advertising

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单项选择题

From the passage we can infer that Washington’s education was ______.

A．of great variety
B．equal to those of the gentlemen of his time
C．good enough for his time
D．rather limited for a president

单项选择题

Which of the following is NOT true about the journalist

A．He is an American-born journalist.
B．He works for the Guardian.
C．He finished the story with other journalists.
D．His story was not published in Zimbabwe.

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. Wrigley made chewing gum popular in the U.S. by ______. 您的浏览器不支持 audio 元素。

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. Wrigley made chewing gum popular in the U.S. by ______.