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Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．Entirely effective.
B．Totally incorrect.
C．A complete failure.
D．Quite difficult

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A bird flu, a massive earthquake, a monster storm and a terrorist attack are all threats to major cities in the U.S.

Passage OneQuestions 26 to 28 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。