单项选择题

According to the passage, the effects of Tambora's eruption were ______.

A．of several days' duration worldwide.
B．felt mainly in the Dutch East Indies.
C．evident in the decreased world temperature.
D．immediately evident to the world's scientists.

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热门试题

单项选择题

Why is the problem of drinking and driving difficult to solve

A．An alcohol is easily obtained.
B．Drinking is linked to organized crime
C．Legal prohibition has already failed
D．Legislation alone is not sufficient

单项选择题

Drunken driving has become a major problem in America because ______.

A．Most Americans are now less shocked by road accidents
B．Americans are now less shocked by road accidents
C．Accidents attract so much publicity
D．Drinking is a Socially accepted habit in America