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春天的玉米粒

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If you have received possibly have the earthquake warning, continues to maintain listens to the local broadcasting station newest report and the suggestion, like the suggestion switches off the liquid gas, the power source. Greatly but the heavy object from high will put on to take away. The jar, the glass, the chinaware and other brittle things admit in the low cabinet, the baggage shelf should have keeps off the hand by to prevent the object whereabouts. The cabinet gate should shut tightly, moves away to be hanging the object. Below prepares the goods by to prepare urgently needs: Fresh fresh water and emergency food, flashlight, fire extinguisher. Is far away these possibly to fall is pounding your thing, possibly can eradicate in outdoors trees, in the small town construction even if enough is sturdy cannot destroy, the chippings also possibly fall. Runs away spacious to place most ideal, but if does not have the enough time,stays is possibly safer in the room, on the avenue speech, the gas piping or the electric wire which bursts can increase the risk. Passes in and out the human is most dangerous, extremely easily is wounded by the building in bricks and stones. In room: When the earthquake occurs, if in the indoors, stays in inside, extinguishes the fire, is far away the glass is specially the big window (including mirror and so on). In the room quoin or has the good strut internal way is good seeking asylum place. Perhaps the low ground or the basement can provide the best survival opportunity. Hides in under the table bottom or other firm furniture, this not only can provide the protection to you, moreover also has the big breath space. When store, is far away the big cargo exhibition hall, thesecargos possibly can drop down. Also is loaded with the elevator in the multilayered building in the office, in-situ hides in the desk bottom. Do not enter the elevator, the staircase also possibly can crowd the panic-stricken people. . Che Zhong: As far as possible quickly and safely stops - but stays in the vehicle may avoid hit by the whereabouts object. Crouches in hiding under the seat, if has the thing to fall on the vehicle, you will be able to obtain the protection. When vibrates stops down, the attention observation obstacle and possibly appears danger: Destroyed the electric cable, damages the path and collapses bridge. Outdoors: When outdoors lie in the ground, do not have to run. This can throw down, also possibly is embezzled by the crack. Is far away the big construction. Toward derground walk or do not enter the gallery, this can cause to be stranded. Like you already prepared to the outdoors, did not return to in the building. The earthquake causes any construction not too to be all reliable for the first time, if then again occurs slightly shakes, the building can cave in. Is safer to the summit. In the pitch earth stone is easy to fall, if crushes by the number thousand ton heavy soil block or the rock (they to have fearful speed), very little has the opportunity which fortunately survives. Rolls equally on the place like the ball changes the survival. Beach place: So long as under the cliff cannot the suitable security, but because the tsunami follows the earthquake but to come frequently, therefore after vibrates stops leaving the beach as soon as possible to the higher open field shift. The aftershock risk did not like the tsunami to be so fearful.

mysteries英语作文

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丁国栋3

参考这文章:Several mysteries must be unraveled before seismologists can forecast a potential killer shock with the precision that meteorologists have in pinpointing a hurricane's strength days beforehand.Gallery Images from 1906 --------------------------------------------------------------------------------Pictures from Other Deadly EarthquakesAt the heart of the problem are two fundamental questions: How does an earthquake begin? What causes it to stop?"If we can find a magic signal, some telltale sign, then maybe we'll know when an earthquake is coming,'' said Tom Jordan, the director of the Southern California Earthquake Center in Los Angeles.Before 1906, science had only faint ideas of the forces behind temblors. Three days after San Francisco's powerful jolt tore open the Earth's surface along a 300-mile stretch of the 800-mile-long San Andreas fault, scientists set out to map the fault, which cuts through California like a scar.Researchers now know that earthquakes are caused by the constant grinding of continental plates, which builds up strain in the Earth's crust. At some point, the plates can get stuck at a boundary called a fault and snap, unleashing the pent-up energy in sudden, earthshaking bursts.Several million earthquakes occur worldwide each year, according to the U.S. Geological Survey; many go undetected because they either hit very remote areas or are too minor to be felt.In the 1970s, there was buzz that scientists were close to being able to predict quakes. Some believed the answer lay in measuring the speed at which sound rippled through rocks, others in analyzing animals' reactions to sudden ground movement.The excitement soon fizzled. Forecasts have never proven reliable.Still, several studies are under way to determine whether earthquakes possess certain predictable behavior and characteristics.Seismologists this year plan to install instruments into an active section of the San Andreas in central California to observe what happens during stress buildup in the ground. By monitoring the fault, scientists hope to catch a birthing quake.Another project by the Southern California Earthquake Center, a consortium of research universities, will use a $1.2 million grant to set strict standards for earthquake prediction experiments.Scientists have been keeping a watchful eye on the southern segment of the San Andreas fault near San Bernardino, which is overdue for a major quake. The last time it snapped was in 1690, producing an estimated 7.7-magnitude quake.Short of being able to foresee the next San Francisco-like calamity, scientists have focused on buffering the damaging effects of quakes and have made significant strides in taking the Earth's pulse.Within minutes of a temblor, the USGS posts maps on the Internet showing its epicenter and where the most severe shaking occurred. Scientists constantly keep tabs on seismic strain near sections of faults that haven't ruptured in decades.They also are working on long-term forecasts that calculate the likelihood of a quake based on historical geologic evidence, in order to help prioritize which buildings and freeways to reinforce."Even if we can predict earthquakes,'' said Mary Lou Zoback of the USGS in Menlo Park, "that won't prevent buildings from falling down.''和 上网:en.wikipedia.org/wiki/Earthquake

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乖乖黑宝宝

Historically,there were so many Mysteries,the recent Mystery was the missing of MH 370 flight.It is well known that the flight was lost to follow up on 8th,March,this year,however,up to now,the wrecka...

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麦当当5188

你想要哪种神秘事件

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