首页
登录
职称英语
[originaltext] (13) Scientists who study the earth tell us that the continen
[originaltext] (13) Scientists who study the earth tell us that the continen
游客
2023-08-07
18
管理
问题
(13) Scientists who study the earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and might result in great destruction. Today, we examine the process that causes earthquakes. Scientists now know that the surface of the earth is not as permanent as it had been thought. Scientists explain that the surface of our planet is always in motion. Continents move about the earth like huge ships at sea. They float on pieces of the earth’s outer skin, or crust. Only since the 1960s have scientists begun to understand that the earth is a great, living structure. (14) Some experts say this new understanding is one of the most important revolutions in scientific thought. The revolution is based on the work of scientists who study the movement of the continents—a process called plate tectonics (构造学). Earthquakes are a result of that process. Plate tectonics is the area of science that explains why the surface of the earth changes and how those changes cause earthquakes. Tectonic plates can cause earthquakes as they move. Modern instruments show that about 90% of all earthquakes take place along a few lines in several places around the earth. (15) These lines follow underwater mountains, where hot liquid rock flows up from deep inside the planet. Other earthquakes take place at the edges of continents. Pressure increases as two plates move against each other. When this happens, one plate moves past the other, suddenly causing the earth’s surface to split. Earthquakes are among the most frightening events that nature can produce. At times like these, we remember that the ground is not as solid and unchanging as people might like to think.
Questions 13 to 15 are based on the passage you have just heard.
13. What may lead to earthquakes according to the passage?
14. What do the experts say about this new understanding?
15. Where do earthquakes likely happen?
选项
A、The continents and ocean floors move violently.
B、The earth is as permanent as it was.
C、The surface of our planet is always in motion.
D、The crust of the earth moves frequently.
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2904693.html
相关试题推荐
[originaltext]FromCaliforniatoConnecticut,babiessitonthelapsofthe
[originaltext]FromCaliforniatoConnecticut,babiessitonthelapsofthe
[originaltext]FromCaliforniatoConnecticut,babiessitonthelapsofthe
[originaltext]FromCaliforniatoConnecticut,babiessitonthelapsofthe
[originaltext]WilmaSubrahadnointentionofbecomingapublicspeaker.Af
[originaltext]WilmaSubrahadnointentionofbecomingapublicspeaker.Af
[originaltext]WilmaSubrahadnointentionofbecomingapublicspeaker.Af
[originaltext]JuanLouis,ajuniorgeologymajor,decidedtogiveaninform
[originaltext]JuanLouis,ajuniorgeologymajor,decidedtogiveaninform
[originaltext]JuanLouis,ajuniorgeologymajor,decidedtogiveaninform
随机试题
[originaltext]M:Hi,Mary.Doyouwanttostartthelabreportafterwefinish
After10hoursatthewheelofthecar,hebegantofeelthe______.A、tensionB、
Overpopulationposesaterriblethreattothehumanrace.Yetitisprobably____
按照距离保护的零序电流补偿系数K应按线路实测的正序阻抗Z1和零序阻抗
A.封闭性问题 B.开放型问题 C.试探型问题 D.索究型问题 E.复合
索夹按成型方式划分为()。A.铸造结构 B.焊接结构 C.锚固结构
流动性资产的主要特征有()。A.流动性强 B.流动性弱 C.安全性高
英国思想家洛克认为,政府权威的正当性是建立在被统治者同意的基础上。下列与洛克这项
计算机病毒的主要来源有( )。A.计算机“迷”的恶作剧 B.生物病毒的感染
某县一化工厂有生产科、技术科、销售科、安全科和工会等。2006年5月3日,该厂氨
最新回复
(
0
)