老师：同学们好，我是来自首都师范大学附属苹果园中学分校的石晓彤老师。很高兴跟大家一起学习北师大版九年级初中英语全一册第四单元最后一课， communication one。
老师：Shop do you still remember the topic we talked in this unit? Yes, in this unit we talked about space. In Lesson 10, we Learned about life in space. Astronauts on the International Space Station often spent few months in space. It can be a little crowded. Stay inside the space station all the time.
老师：Astronauts still need to do their everyday living, such as working, eating, relaxing and exercising. But living in space is not the same as living on earth. Many things are different. Do you remember how astronauts eat and drink? Yes. When they eat, they use special place so that their food doesn't float away. They use special bags for drinks so that the drink space.
老师：Inside, astronauts need to keep their muscles strong when they are in space, so they have to exercise on special machines. Relaxation and fun are important whether you are in space or on earth. How do astronaut relax in space? They watch movies, read the news and co family members and friends.
老师：Now let's move on. With the improvement of modern day technology, China's spacecrafts have changed over time. In Lesson 11, we have Learned the achievements of China's space program and the work of Chinese scientists. Chinese scientists have put a lot of effort into the program and have never given up. Without the hard work of all the great scientists in the program, we could never have succeeded. Their spirit inspires us to make explorations and keep moving forward to chase the dream.
老师：Now let's move on to Lesson 12. In this lesson, we have Learned a short story about alien. Do you think we will ever meet an alien? Are you interested in space? Would you like to be an astronaut to discover space? I'm sure some of you would say yes.
老师：Today we will read a passage, relate to an astronaut. Here are the new words. Let's read them together, twice for each one. Admire. Admire. Once. Once. Physics. Physics, chemistry, chemistry. Mission. Mission. Role model. Role model. Realize. Realize. Faithfully. Faithfully.
老师：First of all, let's see a photo. Who is she? You may notice that she is wearing a spacesuit. Maybe she is an astronaut. Yes, her name is Liu Yang. She is the first Chinese woman in space.
老师：Now we are going to read a passage about Liu Yang. Here's a passage. Please have a look. Can you tell what kind of text it is? Yes. In the end of this passage, it says, I'm looking forward to your reply, yours faithfully.
老师：And the name Angela Liu. So is a letter. Who is the letter to? At the beginning of this letter, we can find Dear Liu Yang. It means say hello to Liu Yang. Is a letter to Liu Yang. Who is the letter from is Angela Liu, because at the end of the letter, she writes her name on
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