从北京坐火车到武汉有多远

1、Lesson Seventy-four1从北京坐火车到武汉有多远？绵羊被农民饲养来生产羊毛和肉。卫星被人们用来研究宇宙。计算机被人们用来解决问题。How far by train is it from Beijing to Wuhan? Sheep are kept by farmers for producing wool and meat. Satellites are used by people for studying the universe.Computers are by people used for doing problems.2MercuryVenusEarthMars

2、JupiterSaturnUranusNeptunePluto水星金星地球火星木星土星天王星海王星冥王星cometthe Galaxythe Milky Wayplanet慧星太阳系银河行星3What do we mean when we talk about the universe?Why cant many stars be seen?How far is the moon away from the earth?4. Has the moon been visited by man already? We mean the earth,the sun, the moon and the

3、 stars,and the space between them.Because they are too far away. It is only 380, 000 kilometres away.Yes, it has.45. Has any man-made machine travelled farther than the moon? What is it?6. What are satellites used for? Can you give an example?7. What else can satellites do?8. Why do we say the world

4、 itself is becoming smaller and smaller? Yes. it is spaceship. Satellites are used for sending and receiving messages. We can also use satellites to help us make telephone calls to foreign countries. Because we can use satellites to help people from different countries understand each other better.5

5、The moon travels round the earth. The teacher said the moon travels round the earth. goes turns2. It has been visited by man already. 它已经被人类拜访过了。3. Our knowledge grows and the universe develops. 我们的知识在增长，宇宙在发展。4. to the other side of 到另一边去 on the other side of 在另一边；在对岸6itself 它自己；本身 这条狗自己能走。 The dog

6、 can walk by itself.2. learn about 了解；听到 We has just learned about this news. We has just _ _ this news.heard of3. grow 增长；种植；变得 It began to grow darker and darker. Rice can be grown in the south of China. These vegetables grow very well.变得种植增长7space 太空；空间 room 空间；余地 There is no room for him to lie

7、down. There isnt any space between them.2. with, without 鱼儿离不开水。 Fish cant live without water. 在老师的帮助下，他终于通过了考试。 With the teachers help, he passed the exam at last. 8把下列句子变成被动语态：China has sent up some man-made satellites into the space.2. She has finished her homework.3. We have planted a lot of trees. Some man-made