They have no practical value in earthquake prevention. They may have practical value in earthquake prevention. They are certain to have practical value in earthquake prevention. The article does not say anything about their practical value in earthquake prevention.
B.C.D四个选项中，选出可以入空白处的最佳选项，并在答题卡上将该项涂黑。 --- It’s reported that more than 200,000 people lost their lives in Haiti EarthquakE. --- Yes, ______ news came as ______ shock to us. A.the , a the, the a, a a, the
Awareness of Earthquake Hazards Earthquake Is a Dangerous Thing Earthquake Prediction and Control The Probability of Earthquake Activity for Various Areas in the United States
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