From a 15 of all southern California earthquakes with magnitudes of 4- 5 or greater during that period, Namias 16 out the summers with many quakes and those with no quakes. His analysis of the meteorology during these summers shows that quakes were more 17 under a particular set of conditions; a stronger-than-normal North Pacific high pressure, a low-pressure ridge over the 18 interior. Summers with no quakes usually had a weak Pacific high and a poorly developed continental high, he reports in the Dec. 10 JOURNAL OF GEOPHYSICAL RESEARCH. Namias cannot 19 the apparent correlation between pressure and seismicity, but he 20 that variations in seafloor pressure or in sea-surface temperature might influence both the atmospheric pressure and the ground stress in California.
A. damaging B. idea C. trace D. greatly
E. picked F. clue G. explain H. forcefully
I. detects J. plan K. continental L. list
M. predicts N. managing O. likely
II. A 12. F 13. B 14. D 15. L 16. E 17. O 18. K 19. G 20. M
赵丽教你巧记英语单词LESSON 3
赵丽教你巧记英语单词LESSON 18
赵丽教你巧记英语单词LESSON 6
赵丽教你巧记英语单词LESSON 41
新四级听力听写练习第一单元Lesson01
大学英语四级词汇o
大学英语四级词汇m
CET4淘金式英语词汇(四级)第4课
赵丽教你巧记英语单词LESSON 29
赵丽教你巧记英语单词LESSON 17
赵丽教你巧记英语单词LESSON 46
赵丽教你巧记英语单词LESSON 13
CET4淘金式英语词汇(四级)第3课
星火英语2008年6月版听力强攻第1课
大学英语四级词汇a
赵丽教你巧记英语单词LESSON 9
赵丽教你巧记英语单词LESSON 35
赵丽教你巧记英语单词LESSON 2
赵丽教你巧记英语单词LESSON 10
大学英语四级词汇t
赵丽教你巧记英语单词LESSON 1
星火英语点评历年四级真题2006年12月四级真题
2008年6月四级预测卷听力(星火)第4课
大学英语四级词汇d
星火英语点评历年四级真题2007年12月四级真题
大学英语四级词汇p
赵丽教你巧记英语单词LESSON 34
大学英语四级词汇s
大学英语四级词汇l
赵丽教你巧记英语单词LESSON 38
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |