The epicentre of an earthquake is the point on the Earth's surface nearest to the site of the earthquake.An earthquake produces waves.These waves spread out from the epicentre of the earthquake and travel along the Earth's surface.(a) One wave is emitted very second.What is the frequency ...
Bullying is an all-too-common problem among young people, and in the world of A Silent Voice, Shoya Ishida is no exception. As a middle schooler, he tormented deaf classmate Shoko Nishimiya to the point where she had to transfer schools, but karma catches up to Shoya as he finds himself...
A. If mice run out of the fields looking for places to hide, there must be an earthquake. B. If some natural signs had not been ignored, all the people in Tangshan city might have had a chance to survive. C. There wouldn’t have been such a great earthquake, if people had...
At the beginning of 2010, an earthquake hit Haiti. The earthquake measured 7.0 and was followed by aftershocks that measured 5.9 and 5.5. Another aftershock that measured 5.9 struck on January 20. There has been arguments about...
hypocentre - the point within the earth where an earthquake originatesmagnitude - a measure of the energy of an earthquake, specified on the Richter scaleradiates - to send out energy such as heat or light, in the form of rays or waves, or be sent out in this formsediment - material ...
If you find yourself in the middle of an earthquake, there’s often only a short time to decide what to do. 1 ● Drop to the ground. The drop, cover, and hold on technique is the cousin of the famous “stop, drop and roll” for fires. While it’s not the only method of ...
In preparation for the prediction of a major earthquake that will hit the state, a satellite-based computer network is being built by the California Office of Emergency Services for identifying earthquake damage and to pinpoint the most affected areas wi
阅读理解. Earthquakes happen without warning (前兆).They can happen any time of a day,at any point during the year.When an earthquake is happening,you should know what you should do or not do. Do NOT go outside.You could get injure
2)be on the point of doing…when… 3)be doing…when… 4)had hardly done…when… 考点例题: i was about to play games ___ my mother broke in. a. while b. when c. as d. the time 2. you must come whenever you want and have whatever you like. 您只要想来随时欢迎,您想吃什么尽...
focus. This rupture zone may be lopsided or symmetrical. Rupture may spread outward evenly from a central point (radially), or from one end of the rupture zone to the other (laterally), or in irregular jumps. These differences partly control the effects that an earthquake has at the ...