[单项选择]To weaken the damage for earthquakes, scientists are working on ways to enable accurate prediction.（　）
A. relieve
B. deduct
C. minimize
D. rid

[单项选择]To weaken the damage for earthquakes, scientists are working on ways to enable accurate prediction.（　）
A. relieve
B. deduct
C. minimize
D. rid

[单项选择]
Scientists in the United States have developed a method that may help to predict earthquakes earlier. They say it could give people who live in deadly earthquake areas enough warning to leave before an earthquake hits.
Currently, the most modem systems for predicting earthquakes find them only a short time before the event. Like most strong earthquakes, the one that hit southwestern China in May wasnot identified early enough for people to flee the area. That earthquake killed sixty-nine thousand people.
But scientists who study earthquakes are reporting that new technology could measure very small changes in the Earth’s surface. Their report was published this month in Nature magazine.
Fenglin Niu is a seismologist with Rice University in Houston, Texas. He and his team performed experiments along California’s San Andreas Fault, an area famous for its many earthquakes.
The team pl
A. It predicts only a short time before event.
B. It cannot tell exact location.
C. It predicts only earthquakes that happened daytime.
D. It predicts only low rate earthquakes.

[填空题]Scientists can predict earthquakes by means of paying attention to places where pieces of the earth’ s surface meet or by ______.

[填空题]Most earthquakes do not cause great damage and many deaths.

[填空题]Scientists find that on our planet earthquakes are much more frequent where the plates ______.

[单项选择] Earthquakes What causes earthquakes The earth is formed of layers. The surface of the earth, about 100 kilometers thick, is made of large pieces. When they move against each other, an earth quake happens, A large movement causes a violent earthquake, but a small movement causes a mild one. Earthquakes last only a few seconds. The rolling movements are called seismic (地震的) waves. The seismic waves start in one place, called the epicenter (震中) , and roll outward. A seismic wave travels around the earth in about twenty minutes. Usually, an earthquake is strong enough to cause damage only near its epicenter. However, epicenters at the bottom of the ocean create huge sea waves as tall as 15 meters. These waves cross the ocean in several hours. Rushing toward land, they destroy small islands and ships in their path. When they hit land, they flood coastal areas far from the epicenter of the earthquake. In 1868, a wave reached 4. 5 kilometers inland in P
A. Y
B. N
C. NG