单项选择题

Passage Three
Questions 32 to 35 are based on the passage you have just heard.

A．From 400 to 600 pounds.
B．From 400 to 500 pounds.
C．From 300 to 500 pounds.
D．From 600 to 700 pounds.

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单项选择题

单项选择题

Passage Three Questions 32 to 35 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。