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

A．Somewhere over the Atlantic.
B．Somewhere over the Pacific.
C．Somewhere over New York.
D．Somewhere over London.

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Leptin, after being approved by health authorities, will be available to people in need through doctors’ prescriptions.

Passage TwoQuestions 29 to 31 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。