Flying over a desert area in an airplane, two scientists looked down with trained eyes at trees and bushes. After an hours 11 one of the scientists wrote in his book, Look here for 12 metal. Scientists in another airplane, flying over a mountain region, sent a 13 to other scientists on the ground, Gold possible. Walking across hilly ground, four scientists reported, This ground should be searched for metals. From an airplane over a hilly wasteland a scientist sent back by radio one word, Uranium.
None of the scientists had X-ray eyes: they had no 14 powers for looking down below the earths surface. They were 15 putting to use one of the newest methods of 16 minerals in the groundusing trees and plants as 17 that certain minerals may lie beneath the ground on which the trees and plants are growing.
This newest method of searching for minerals is 18 on the fact that minerals deep in the earth may 19 the kind of bushes and trees that grow on the surface.
At Watson Bar Creek, a brook six thousand feet high in the mountains of British Columbia, Canada, a mineral search group gathered bags of tree seeds. Boxes were filled with small branches from the trees. Roots were dug and put into boxes. Each bag and box was 20 marked. In a scientific laboratory the parts of the forest trees were burned to ashes and tested. Each small part was examined to learn whether there were minerals in it.
A. signs B. sufficiently C. locating D. affect
E. merely F. magic G. hints H. carefully
I. finding J. message K. flight L. probable
M. revealing N. based O. information
答案:11. K 12. L 13. J 14. F 15. E 16. C 17. A 18. N 19. D 20. H
国际英语资讯:Countries condemn deadly attacks in Sri Lanka, offering condolences
国内英语资讯:Chinas top legislature reviews multiple reports
国际英语资讯:Spotlight: U.S. unwilling to lose global dominance, experts say
国内英语资讯:Beijing city sets 2019 agenda for Beijing-Tianjin-Hebei coordinated development
国际英语资讯:Spotlight: Ankara in search of way out of S-400 deal with Moscow: analysts
保持健康要日行一万步?4400步就够了
体坛英语资讯:Chinas Han Wei wins 1st stage of Taklimakan Rally
国内英语资讯:Reform plan on govt responsibilities for education expenditure unveiled
体坛英语资讯:Seventh straight victory for Russia at 2019 Ice Hockey Worlds
为什么迪士尼角色大多戴手套
国际英语资讯:Ukraine kicks off 2nd round of presidential election
国内英语资讯:Xinhua Headlines: China steps up defense of rights amid trade tensions
体坛英语资讯:IOC aims at more flexible future Olympic Games elections
人们去星巴克只是为了喝咖啡吗?
体坛英语资讯:Five-goal defeat to Lyon almost cost PSGs title hope in French womens league
国内英语资讯:China to hold shadow play art week
国际英语资讯:Cambodia, Timor-Leste vow to enhance bilateral ties
体坛英语资讯:American star Woods closes in on top while Chinas Li advances into next round at Masters
Adam Levine欲离开美国好声音,传言四起
放松,耐心等一等,这才是生活
国际英语资讯:Protests, pomp as U.S. president in UK for state visit
国际英语资讯:Spotlight: U.S. scholars, business groups question legality of proposed tariffs on Mexico
BBC推荐:六月份最值得一看的电影
体坛英语资讯:World Rugby launches campaign to boost womens game
体坛英语资讯:Bittersweet day for Chinas women in French Open qualifiers
中国明星的英文名是怎么取的?
国内英语资讯:Internet, e-commerce industries most appealing to Chinese graduates: report
这个五岁的小男孩让我惊叹不已
体坛英语资讯:Moroccos Wydad qualify to the semifinals of African Champions League
AI预测《权力的游戏》谁是最后王者!
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |