11 in Seattle has unreinforced brick walls, a 12 being easy to collapse during earthquakes. The same 13 of walls crushed hundreds of thousands of people during the 1976 Tangshan quake in China.
A decade ago, Atwater would have paid little notice to schoolroom walls. But over the last several years, he and other scientists have found 14 signs that the Pacific Northwest has experienced giant quakes in the distant past and that the area may be headed for a destructive shock in the near future.
At a meeting of the American Geophysical Union in December, researchers discussed the 15 uncovered evidence of quake potential in the Pacific Northwest. While some remain unconvinced that huge earthquakeswith magnitudes of 8 or higherdo indeed 16 this region, a growing number consider such shocks a serious possibility.
Whats worrisome, they say, is that northwestern cities such as Portland, Seattle and Vancouver have not prepared for earthquakes of this magnitude, which could shake the regions 17 centers with enough force to make the recent San Francisco area damage seem 18 in comparison.
I think its quite true to say that nothing has really been designed with one of these earthquakes in mind, says seismologist Paul Somerville of Woodward. At the meeting, Somerville and his colleagues 19 estimates of the degree of shaking. Portland and Seattle would suffer during such a 20 earthquake.
A. massive B. recently C. construction D. displayed
E. relatively F. attends G. type H. strike
I. structure J. participates K. excessive L. mild
M. disturbing N. population 0. presented
II. F 12. C 13. G 14. M 15. B 16. H 17. N 18. L 19. O 20. A
体坛英语资讯:Liaoning beat Beijing for six-game CBA winning streak
体坛英语资讯:Strasbourg march on with road win against Bordeaux in Ligue 1
国内英语资讯:Yearender-China Focus: Monotown boom plays important part in Chinas urbanization drive
那些年我们学英语闹过的笑话 敢不敢说出来让大家乐一乐
卡戴珊新款香水在澳遭禁!疑似含有毒物质!
国内英语资讯:Xi calls for respect to developing countries will in human rights development
体坛英语资讯:Germany FA honours former captain Lahm
2017年12月英语四级考前预测高分范文2篇
一周热词榜(12.2-8)
国内英语资讯:Xi congratulates conclusion of China-Switzerland Year of Tourism
科学家预测了2018年全年的地震
赛琳娜将ins账号设为私密!原因竟是因为Billboard?
2017下半年口译三级试题详解(汉译英)
国际英语资讯:Feature: Classy shell-made products bring fame to Sudans eastern tourist city
体坛英语资讯:Hoffenheim, Berlin held in UEFA Europa League
体坛英语资讯:Leverkusen down Stuttgart 2-0 in German Bundesliga
国内英语资讯:China Focus: Xi stresses new concepts to guide economic work in 2018
研究表明 吃饭太快或易患代谢综合征
国内英语资讯:China, Maldives to increase Belt and Road cooperation
2017年12月英语四级作文范文:大城市里的民工
体坛英语资讯:Red Star beat Cologne to enter Europa League knockouts
国内英语资讯:Greek PM, Chinese vice premier meet on Belt and Road cooperation
体坛英语资讯:Cologne appoint Veh as sporting director
《时代》揭晓2017年度人物:性骚扰丑闻“打破沉默者”
研究表明 女性获得更高教育让男性成为受益者
美海军开始搜寻失事运输机
国际英语资讯:Terrorism remains major threat to regional security: Bahraini FM
青海省西宁二十一中2017-2018学年高二上学期11月月考英语试卷
国内英语资讯:China, Russia seek closer military cooperation
国内英语资讯:China, UK pledge to expand people-to-people, cultural exchanges
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |