奶头挺立呻吟高潮av全片,成人试看120秒体验区,性欧美极品v,A片高潮抽搐揉捏奶头视频

試題

6月英語六級完型填空備考復習題

時間:2025-05-03 21:53:35 試題 我要投稿
  • 相關推薦

2017年6月英語六級完型填空備考復習題

  黑發不知勤學早,白發方悔讀書遲。以下是小編為大家搜索整理的2017年6月英語六級完型填空備考復習題,希望對正在關注的您有所幫助!更多精彩內容請及時關注我們應屆畢業生考試網!

2017年6月英語六級完型填空備考復習題

  Leonardo da Vinci was the first man to suggest that growing trees add a new ring in their trunks each year. The 11 in these rings relates to the physical conditions which the tree experiences. Thus, trees grown in a 12 area and time each develop a pattern or configuration of their rings.

  This 13 was of little significance until Andrew E. Douglas began to study tree rings in Arizona in 1900. Using a technique called cross dating, he was able to employ tree rings to the study of archaeological sites and date the ruins with 14 . Some were as old as 6700 B. C. ! This study of tree rings is called dendrochronology.

  In time the cross dating was 15 by a carbon 14 process. This approach measured the amount of carbon 14 radiating from a piece of wood and 16 to determine the age of that wood. Further use of the carbon 14 technique has shown that the radiation process is more complex and less 17 than had been at first thought.

  The most 18 aspect of tree ring research is now called

  dendroclimatology. This 19 of the reconstruction of climates and climatic cycles and events from the evidence found in the tree rings. From this it is hoped that a 20 of drought cycles can be determined in the American Southwest. Such information will be of great help in determining the life and ecology of that region of the United States.

  A. thus

  B. model

  C. variation

  D. concept

  E. accuracy

  F. exciting

  G. consists

  H. given

  I. proposition

  J. composes

  K. further

  L. pattern

  M. supplemented

  N. reliable

  O. excellent

  參考答案

  11. C 12. H 13. D 14. E 15. M 16. A 17. N 18. F 19. G 20. L

【6月英語六級完型填空備考復習題】相關文章:

2017年英語六級完型填空備考復習題09-10

學位英語考試完型填空備考復習題201709-10

公共英語三級備考完型填空復習題09-17

大學英語六級考試備考訓練題完型填空06-23

2017年高考英語備考:完型填空及答案08-22

2018專四英語完型填空復習題附答案09-18

大學英語六級完型填空解題技巧10-10

最新英語六級考試完型填空鞏固練習07-12

2014英語六級完型填空解題技巧06-22

主站蜘蛛池模板: 洞口县| 辽源市| 区。| 南康市| 高雄县| 桂平市| 剑河县| 威远县| 普洱| 东港市| 增城市| 临夏县| 高唐县| 宾阳县| 洛扎县| 乌苏市| 家居| 遵义县| 罗城| 灵石县| 杨浦区| 石狮市| 冷水江市| 八宿县| 麻江县| 尼木县| 华坪县| 合水县| 谢通门县| 庆阳市| 平利县| 深水埗区| 通河县| 泰来县| 勃利县| 凉城县| 西贡区| 内江市| 平阳县| 商丘市| 上犹县|