欢迎您访问贵州自考网!  今天是 登录注册

贵州自考网

当前位置: 网站首页 > 串讲笔记 >

贵州2020年自学考试备考英语(一)精选习题(3)

2019-11-27 10:10来源:贵州自考网 考试必看
  本篇文章由贵州自考网整理发布,更多贵州自考资讯请关注贵州自考网。本网站会实时为大家更新关于自考试题、自考成绩查询,自考网上报名,自考招生,自考考试时间等最新资讯!
 
 
 
 
 
 
贵州2020年自学考试备考英语(一)精选习题(3)
 
 
 
 
 
  (B)
 
  All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds mankind. Each year it provides men with two hundred million tons of grain, and nearly ten million tons of wood.
 
  Coal, oil, natural gas, and all others fuels are store-up(储藏)energy from the sun. Some was collected by this season's plants as carbon compounds. Some was stored by plants and trees ages ago.
 
  Even waterpower comes from the sun. Water turned into vapor by the sun falls as rain. It runs down the mountains and is turned into electric power.
 
  Light transmits(传输)only the energy that comes from the sun's outer layers, and much of this energy never arrives on earth. About nineteenths of it is absorbed by the atmosphere of the earth. In fact, the earth itself gets only one half-billionth of the sun's entire output of radiant(辐射)energy.
 
  6.All the useful energy at the surface of the earth comes ______. [ ]
 
  A.directly from the sun
 
  B.from the sun's activity
 
  C.from energy stored by the sun
 
  D.from radiation of the sun
 
  7.For mankind, the sun is the source of ______. [ ]
 
  A.activity B.all heat
 
  C.all food D.both B and C
 
  8.The sun's energy indirectly provides the earth with ______. [ ]
 
  A.fuels B.waterpower
 
  C.light D.both A and B
 
  9.The largest part of the energy from the sun is ______. [ ]
 
  A.stored by the season's plants
 
  B.turned into fuel
 
  C.absorbed by the earth's atmosphere
 
  D.used for electric power
 
  10.Of the sun's entire output of radiant energy, the earth receives ______. [ ]
 
  A.nearly all B.about half
 
  C.a very small part
 
  D.all that come from the sun's outer layers
贵州自考网声明:
(一) 由于各方面情况的调整与变化,本网所提供的考试信息仅供参考,敬请以权威部门公布的正式信息为准。
(二) 本网注明来源为其他媒体的稿件均为转载稿,免费转载出于非商业性学习目的,版权归原作者所有。如有内容、版权等问题请与本网联系。联系方式:邮件 2293429207@qq.com
自考网校为您量体裁衣,制定个性化网上辅导课程,课程免费试听!
贵州自考便捷服务
贵州自考网微信群



贵州自考微信交流群

(扫一扫加入)