题目内容

文段表达

请根据中文和英文提示,完成一篇不少于50词的文段写作。所给提示词语仅供选用。

梦想是人们对未来的一种期望,每个人都会有自己的梦想。这种梦想,往大了说可以是人生理想,往小了说也可以是生活中的一个小愿望。

某英文网站正在开展以 “My dream”为主题的征文活动。请你用英文写一篇短文,谈谈你的梦想是什么,说说为什么它会成为你的梦想。为了实现它,你已经做了什么,还会做些什么。

提示词: writer, interesting,join, practice,read, knowledge, pleasure

提示问题:·What is your dream?

Why is it your dream?

To make your dream come true, what have you done and what will you do?

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A black hole is a place in outer space with very strong gravity. Gravity is a great force(力量) that shapes the universe. On Earth, gravity makes apples fall from trees. It keeps your feet planted on the ground. The gravity in a black hole is much stronger. It is so strong that nothing around it can get away from it, not even light.

Black holes are invisible. We can't actually see them because they don’t throw back light. But scientists can find them with space telescopes (望远镜)and special tools. The strong gravity makes nearby stars move in a certain way. By studying how the stars move, scientists can find out if they are flying around a black hole. Strange things happen around black holes. This makes black holes a popular subject of science fiction(科幻) stories, although they are very unreal.

A black hole forms when a star dies. The star falls in on itself and turns into a very small point. Because of its small size and huge mass(质量), the gravity will be so strong that it will pull light in and become a black hole. Black holes can grow huge as they continue to pull other things in and “eat” them. Many scientists believe that there are super-massive black holes at the center of galaxies, including the Milky Way.

The idea of the black hole was first suggested by two different scientists in the 18th century: John Michelle and Pierre-Simon Laplace. In 1967, a physicist named John Archibald Wheeler came up with the name “black hole”. Studying black holes can tell us many things about our galaxy and help scientists answer questions about the universe.

1.The word “invisible” in Paragraph 2 probably means “_________”.

A.far to go B.easy to find C.difficult to catch D.impossible to see

2.The third paragraph is mainly about_________.

A.how big black holes are B.how heavy black holes are

C.how black holes are formed D.how black holes “eat” stars

3.From the passage we learn_________.

A.a star's moving path can help scientists find a black hole

B.writers love writing about black holes because they are real

C.there aren't any black holes at the center of the Milky Way

D.John Archibald Wheeler found the first black hole in space

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