2011年职称英语理工类A考前每日一练(13)

文章作者 100test 发表时间 2011:03:18 18:14:58
来源 100Test.Com百考试题网

下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。

　　第4部分：阅读理解(第31～45题，每题3分，共45分)
　　下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。
　　
　　31. According to the first two paragraphs, the early universe
　　A. was governed by simpler physics.
　　B. got fewer stars shinning in it.来源：考试大
　　C. started over 13 billion years ago.
　　D. was composed in a way similar to that of today.
　　32. What does the state-of-the-art computer simulation tell us about?
　　A. How the Big Bang occurred about 13 billion years ago.
　　B. How"cosmic dark ages"came into existence.
　　C. How dust grains and gases were formed after the Big Bang.
　　D. How the first stars came into being after the Big Bang.
　　33. The phrase "an astronomical object" in paragraph 2 refers to
　　A. cosmic dark ages.
　　B. dust and gas.
　　C. a protostar.
　　D. the early universe.
　　34. According to paragraph 4, which of the following is NOT true about a protostar?
　　A. It developed into a massive star during the Big Bang.
　　B. It evolved from pre-stellar gases.
　　C. It was able to integrate heavy elements when evolving into a massive star.
　　D. It had a mass of one percent of the sun.
　　35. According to the last paragraph, all of the following are the goals of the simulation project EXCEPT.
　　A. to know more about the mass and properties of the first stars of the universe.
　　B. to simulate the process of how the early "universe began.
　　C. to apply the simulation to the study of nuclear reaction initiation.
　　D. to discover the truth about the formation of a protostar.

　　#0000ff>点击进入论坛查看答案详情>>