Millions of stars are travelling about in space. A few form groups which travel

题文

Millions of stars are travelling about in space. A few form groups which travel together, but most of them travel alone. And they travel through a univer which is so large that one star ldom comes near to another. For the most important part each star makes its journey in complete loneliness, like a ship on an empty ocean. The ship will be well over a million miles from its nearest neighbour. From this it is easy to understand why a star ldom finds another anywhere near it. We believe, however, that some two thousand million years ago, another star wandering(漫游) through space, happened to come near our sun just as the sun and the moon raid its tides(潮汐) on the earth, so this star must have raid tides on the surface of the sun. But they were very different from the small tides that are raid in our oceans; A large tidal(潮汐的) wave must have travelled over the surface of the sun, at last forming a mountain so high that we cannot imagine it. As the cau of the disturbance came nearer, so the mountain ro higher and higher. And before the star began to move away again, its tidal pull had become so powerful that this mountain was torn to pieces and thrown off small parts of itlf into space.The small pieces have been going round the sun ever since. They are the planets. 小题1:Most stars are _________________________.A．following a regular path in spaceB．moving about without a fixed courC．ldom wandering about in the univerD．always travelling together小题2:Some two thousand years ago, the mountain on the sun was raid probably becau _____________.A．the star moved away from the sun B．another star happened to come near the sunC．the sun and the moon raid the tides on the earthD．a large tidal of wave travelled over the surface of the sun小题3:The article suggests that _______________.A．how space formedB．our earth exists before the sunC．no one knows where the earth comes fromD．our earth ud to be a high mountain in the sun小题4:The expression “the cau of the disturbance” refers to ________.A．the large tidal waveB．the powerful tidal pullC．the star coming near the sunD．one of sun’s planets小题5: In the article, the writer mainly wants to tell us ______________.A．where the planets in the univer came from B．how the high mountains were formed on the sunC．that the univer is so large that we cannot imagine it D．why the tides over the surface of the sun were so powerful

题型：未知 难度：其他题型

答案

小题1:B小题1:B小题1:D小题1:C小题1:A

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解析

小题1:根据A few form groups which travel together, but most of them travel alone. 描述，可知大部分没有固定的轨道。故选B。小题1:根据We believe, however, that some two thousand million years ago, another star wandering(漫游) through space, happened to come near our sun just as the sun …… at last forming a mountain so high that we cannot imagine it. As the cau of the disturbance came nearer, so the mountain ro higher and higher.描述，可知选B。小题1:根据And before the star began to move away again, its tidal pull had become so powerful that this mountain was torn to pieces and thrown off small parts of itlf into space.描述，可让我们想到地球曾经也是太阳上的一座高山。故选D。小题1:联系上文描述，可知这指的是这颗星星来到太阳附近，故选C。小题1:通过阅读短文，可知这篇短文主要说明了宇宙中一些行星的来历，故选A。

考点

据考高分专家说，试题“Millions of stars ar.....”主要考查你对 [科教类阅读 ]考点的理解。

科教类阅读

科普类的阅读：科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。如果是介绍社会现象的文章，要掌握所谈现象的内涵。

答题技巧：1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和   关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。 2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。 3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。