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课件网) Unit 4 Space Exploration Assessing Your Progress agency Astronaut Data determined Intelligent Satellite figure out result in 导致，造成 adj. 意志坚定的 n.人造卫星，卫星 弄懂，弄明白 n.宇航员，太空人 n.专门机构，代理处 n.数据，资料 adj.有智慧的 ①Read the passage about Lee's work in space and fill in the blanks with the words and phrases in the box. 首先，分析句子，判断空白处所缺句子成分，进而断定所填内容的词性。如，做定语和表语的是形容词、动词不定式to后填(短语)动词原形、冠词后填名词等。其次，根据上下文语义选择合适的单词或短语。 agency intelligent astronaut satellite data figure out determined result in Lee was busy at work. Unlike most people around the world though, his workplace was in space. There was a problem with a(n)_____。 satellite It was supposed to send information about the the sun back to the _____ on Earth, but the equipment for sending the_____ was not working property, So it was Lee's mission to _____ the problem and solve it. agency data figure out Lee was very _____ as a(n) _____,and he was also very careful. He was _____to make the satellite work properly again, but he would make sure to be safe. He knew that one small mistake could _____death. intelligent astronaut determined result in 动词不定式可用作定语和状语. 作定语时，一般置于被修饰词之后用作后置定语 Scientists were determined to help humans realize their dream to explore space. On 12 April 1961, Yuri Gagarin became the first person in the world to go into space. Sending people to other planets or even beyond the solar system is not an easy goal to achieve 2) 作状语时，可表示目的、结果或原因等 Scientists work hard to find out the secrets of the universe. As we all know, an astronaut needs to be healthy and calm in order to work in space. You must be intelligent enough to get a related college degree 2.Complete the sentences with the correct forms of the words in the box. send survive prevent reach breathe step land sleep use help 1.After having succeeded in _____satellites into space, people wanted to know if it was safe for a human to go into space. sending On 3 November 1957, a dog named Laika became the first living thing_____space. She was also the first one to die there. to reach 2.The USSR and the US both wanted to be the first to send a person to the moon. Later. the US succeeded, and Neil Armstrong became the first man _____ onto the moon. During the first moon landing. astronauts had no vehicles. to step _____,so they had to explore the moon on foot. On the fourth mission _____ on the moon, astronauts took a lunar vehicie so that they could explore places further away. to use to land 3. Astronauts must wear spacesuits when they work in space because there is no air_____and it can be very cold outside the spacecraft. While _____, they must attach themselves to something so as _____ floating around. to breathe sleeping to prevent 4 The accident on the Apollo 13 spacecraft resulted in a loss of oxygen, ... ...
