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更多“Earthquakes can be predicted b…”相关的问题
A．Y
B．N
C．NG
Crustal rocks can be used to predict earthquakes for their ______.
A．conductivity of electricity
B．hardness to be cracked
C．sensitivity to strain
D．magnetic properties
It can be inferred from the passage that ______.
A．animals can be used as very accurate indications of earthquakes
B．precise predictions of coming earthquakes can be expected in the near future
C．constructions improvements can help diminish destructive effects of earthquakes
D．ancient people are wiser than modern men in using animals for earthquake predictions
A．the increasing use of rubber and steel in capital construction
B．the development of flexible building materials
C．the reduction of the impact of ground vibrations
D．early forecasts of earthquakes
Recurrence rates of earthquakes can help predict future quakes because ______.
A．improvement in mathematics allows figures to be very accurate
B．this method has been used since ancient times and proved very effective
C．most scientists focus their investigations on the quakes of certain areas
D．continuous plate movements often result in earthquakes in certain areas
It can be concluded from the passage that ______.
A．earthquakes no longer happen any more since many cities are taking steps to prevent loss of life in earthquakes
B．more sensitive machines are used to measure the strength of earthquakes
C．people can save themselves when earthquake happens
D．earthquakes do less damage to human beings became many cities are taking steps to prevent loss of life in earthquakes
A．the increasing use of rubber and steel in capital construction
B．the development of flexible building materials
C．the reduction of the impact of ground vibrations
D．early forecasts of earthquakes
Seismometers can identify and locate most of the earthquakes in China．
A. right
B. wrong
C. not mention
According to the passage, which of the following is not true？
A．Stronger materials will be developed to fight against serious earthquakes.
B．Scientists will still have difficulty in predicting earthquakes accurately.
C．It won't be long before earthquakes can be predicted accurately.
D．Factors unpredictable will prevent scientists from predicting earthquakes.
