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
“我信你个鬼”用英语怎么说?别被人讽刺了都不知道
Chinase New Year is coming soon
A Warm-hearted Man
春节放鞭炮
A pair of socks
I Love My Family(我爱我的家庭)
Tomb Sweeping Day 清明节
My House
My Teacher‘s House(我的老师的房子)
When I grow up
My home
Last Weekend
My English teacher
A Shining Star(一颗闪亮的星)
My favourite person
My hobby我的爱好
Snow
A letter to my pen pal
全球抗疫表现民调:中国85分位居第一
Great Trip(伟大的旅行)
My teacher
My Home
My friend
年级英语作文 旅游 Traveling
myself
科学家创造出一种新植物,一辈子都会发光
Water
一封信
My Study(我的学习)
A Trip一次旅行
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| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |