单项选择题

From what the author said in Para. 1, it can be inferred that______.

A．scientists can never be able to predict the coming of earthquakes.
B．the existing power on predicting earthquakes is somewhat exaggerated.
C．quite a lot of scientific assertions are groundless.
D．earthquake predictions are beyond the reach of scientists.
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单项选择题
Why does the author call the wealth of the riches paper fortunes
A．Because their wealth is mainly generated from technology shares.
B．Because their wealth can be easily lost.
C．Because their wealth is greatly influenced by start-up companies.
D．Because their wealth is quickly devaluated with the up-to-down of house prices.
单项选择题
What does the author mean to say when he talks about the damage caused by earthquakes to the buildings
A．It is hard to build structures strong enough to withstand serious temblors.
B．Not all structures can be made to withstand the tremor of the earthquakes.
C．The degree of damage caused by earthquakes to different buildings can hardly be predicated accurately.
D．No structures would be strong enough to endure violent earthquakes.
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