Like most parents, geologist Brain Atwater worries about his daughters safety. But these days, he has an unusual concern; The public school she 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. displayedE. relatively F. attends G. type H. strikeI. structure J. participates K. excessive L. mildM. 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
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2016届高考英语一轮复习 Unit16 Finding jobs随堂检测 新人教版必修3
2016届高考英语一轮复习 Unit2 Crossing limits课时达标检测 新人教版必修3
2016届高考英语一轮复习 Unit2 News media随堂检测 新人教版必修2
2016英语高考一轮复习:高频词汇精选-A(二)(全国各版本通用)
女子用人齿代替象牙做首饰(组图)
2016届高考英语一轮复习 Unit3 Art and architecture课时达标检测 新人教版必修2
2016届高考英语一轮复习 Unit6 Going West随堂检测 新人教版必修3
2016英语高考一轮复习:高频词汇精选-H(全国各版本通用)
2016英语高考一轮复习:高频词汇精选-I(全国各版本通用)
2016届高考英语一轮复习 Unit8 Learning a foreign language随堂检测 新人教版必修3
2016届高考英语一轮复习 Unit4 Green world随堂检测 新人教版必修3
2016届高考英语一轮复习 Unit12 Education随堂检测 新人教版必修3
2016届高考英语一轮复习 Unit8 Sports课时达标检测 新人教版必修1
2016届高考英语一轮复习 Unit14 Freedom fighters随堂检测 新人教版必修2
2016届高考英语一轮复习 Unit10 American literature随堂检测 新人教版必修3
2016英语高考一轮复习:高频词汇精选-K(全国各版本通用)
2016届高考英语一轮复习 Unit19 Modern agriculture随堂检测 新人教版必修1
2016届高考英语一轮复习 Unit8 Learning a foreign language课时达标检测 新人教版必修3
2016英语高考一轮复习:高频词汇精选-E(全国各版本通用)
2016届高考英语一轮复习 Unit2 Crossing limits随堂检测 新人教版必修3
2016届高考英语一轮复习 Unit12 Fact and fantasy课时达标检测 新人教版必修2
2016英语高考一轮复习:高频词汇精选-A(一)(全国各版本通用)
2016高考英语一轮总复习 课时作业19 Module 1《Life in the Future》外研版必修4
2016高考英语一轮总复习 课时作业14 Module 2《Developing and Developed Countries》外研版必修3
2016英语高考一轮复习:高频词汇精选-D(二)(全国各版本通用)
2016高考英语一轮总复习 课时作业20 Module 2《Traffic Jam》外研版必修4
2016届高考英语一轮复习 Unit2 News media课时达标检测 新人教版必修2
2016届高考英语一轮复习 Unit14 Freedom fighters课时达标检测 新人教版必修2
2016届高考英语一轮复习 Unit13 The water planet课时达标检测 新人教版必修2
2016届高考英语一轮复习 Unit3 Art and architecture随堂检测 新人教版必修2