单项选择题

Questions 5 and 7 are based on the news report you have just heard.

A．Shrinking potato fanning.
B．Heavy reliance on import.
C．Widespread plant disease.
D．Insufficient potato supply.

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单项选择题

单项选择题

Questions 5 and 7 are based on the news report you have just heard. 您的浏览器不支持 audio 元素。