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1、,英语教学课件系列,Unit 4 Astronomy: the science of the stars Using language,Reading,A VISIT TO THE MOON,spacewalk,What country first sent people into space? How many countries have succeeded in sending people into space so far? Who first landed on the moon?,The moon is our close cosmic(宇宙的) neighbor, and hu
2、mans have been exploring its surface ever since they first developed telescopes.,The first person that stepped onto the moon,Neil Armstrong,Neil Armstrong was born in Ohio in 1930. He was a pilot in the U.S. Air Force before he entered the space program. In July of 1969, he commanded the Apollo 11an
3、d landed on the moon. He made history by walking on the moon firstly.,Photos about the moon,space capsule,Today India, China, and Japan all have lunar exploration projects in development. The United States own plan is perhaps the most ambitious to return humans to the moon by 2020 and eventually use
4、 the moon as a staging point for human flight to Mars and beyond.,Chinas entire lunar exploration project is divided into the three steps of orbiting, landing, and returning. The Change-1 satellite, Chinas first lunar probe satellite, was launched on Oct. 24, 2007.,Chinas first astronaut-Yang Liwei,
5、Read the 4 paragraphs quickly, and find out the topic of each paragraph.,Para 1: Para 2: Para 3: Para 4:,Last month we visited the moon.,How the force of gravity changed when we traveled from the earth to the moon.,The things I did on the moon.,We returned to the earth.,1. The passage is mainly abou
6、t _? A. introduction of the moon B. the gravity that I felt on my way to the moon C. my visit to the moon D. my friend Yanping, an astronomer,Read the text carefully and choose the best answer.,C,2. According to the text, we know that the force of the gravity would change _ times. A. 2 B. 3 C. 4 D.
7、5 3. When did the author feel strongest of the gravity of the earth? A. On the moon. B. On the half way to the moon. C. At the very beginning D. On their leaving from the moon,C,B,4. What causes the writer to feel that he becomes weightless on the moon? A. Spaceship B. Gravity C. His friend D. His G
8、ood feelings of the moon,B,Read the passage carefully and then describe the three ways in which gravity changed for Li Yanping and how his weight changed.,The pull of gravity became very strong as he left the earths atmosphere. His weight is normal. 2. It disappeared when he was in space. He is weig
9、htless. 3. It was very light when he was on the moon. He weighs less than on earth.,It became very light.,The gravity became very strong.,The gravity disappeared.,He became very heavy.,He had no weight and could float around like a feather.,He was about one-sixth of his weight on the earth.,Last mon
10、th I visited the moon with my friend. Before we left, I was told the force of g_ would change three times on our journey. Then we took off. As we left the earth, I became very h_. Gradually the weight l_. When I was in space, it d_. We f_ weightlessly in the cabin and I c_ _. When I was on the moon,
11、 I was surprised to find out even walking needs lots of practice n_ _ gravity changed. The returning of the earth was very f_. We were amazed to watch fire b_ _ on the outside of the ship.,gravity,heavy,lessened,disappeared,floated,cheered up,now that,frightening,break out,Retell the text.,get close
12、 to 靠近, 接近, 指动态变化 be close to 距近, 指状态 The school is close to the post office.,1. When we get closer to the moon, we shall feel its gravity pulling us but it will not be as strong a pull as the earths. 当我们更接近月球时, 就会感到月球的引力 在拉我们。但是, 月球的引力不像地球的 引力那么大。,与get相关的短语: get along 相处融洽, 进展等 get down to 开始认真对待,
13、开始认真考虑 get on 上车 get through 到达; 通过; 办完, 花光(钱、时间等)。 get to 到达,get down to; get on; get through; get to; get over; get up 1. Dont talk too much. Lets _ working. 2. Hurry up, or well be late to _ the bus. 3. Its easy to _ the difficulty. 4. I have _ a lot of papers. 5. She managed to _ the village.,ge
14、t down to,get on,get over,got through,get to,2. cheer up : 欢呼, 喝彩, 感到高兴, 使高兴 当看到球队的到来, 人群欢呼起来。 _ when they saw the team arrive. 他带她去听音乐会来使她高兴。 He took her _ to _.,The crowd cheered up,to the concert,cheer her up,3. But when I tried to step forward, I found I was carried twice as far as on the earth
15、and fell over.,1) “A + be + 倍数 + as +形容词原级 + as + B”. This tree is three times as tall as that one. 2) “A + be + 倍数 +形容词比较级 + than + B ” The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。,4. . “walking does need a bit of practice now that gravity has changed.” 既然引力改变了, 走路也的确需要练一练了。 now that同since相似, 语气较弱, 强调人们 已知的事实。 既然你忙, 就让我给你做吧。 Now that you are busy, let me do it for you. 既然人都齐了, 咱们开始干吧。 Now that everyone is here lets start work,6. We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased. 1) watch do/doing
