单项选择题

Stephanopoulos pointed out that the number of today’s natural disasters is about ______ times more than that of the 1960s.

A．2
B．3
C．4
D．5

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of the earth, on the shores, and in shallow water

单项选择题

Why wasn’t there a better early-warning system for the natural disaster, like the tsunamis

A．Because people were not afraid of that.
B．Because tsunamis never happens in Indian Ocean.
C．It would cost too much money.
D．It was difficult for the people in Indian Ocean region to expect such an experience.

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