单项选择题

The U.S. government estimates NASA boosted Florida’s economy by around in 2008.
Samith warns that rising sea levels could swamp Bangkok within .

A．5 years

B．a decade
C．two decades

D．three decades

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单项选择题

单项选择题

The U.S. government estimates NASA boosted Florida’s economy by around ______ in 2008. Samith warns that rising sea levels could swamp Bangkok within ______. 您的浏览器不支持 audio 元素。