摘要： (以对一般过去时被动语态的复习.导入新课.出示神五.神六及嫦娥一号的图片.) T: When was Shenzhou Ⅴ launched, S3? S3: It was launched in 2003. T: When was Shenzhou Ⅵ sent up, S4? S4: It was sent up in 2005. T: When was Chang’e Ⅰ launched, S5? S5: It was launched in 2007. T: Well done. Now we can say they are three large steps of China into the farther space. Have you heard the news on the radio about the space flight to Mars? Ss: No, we haven’t. Who will take part in the space flight? T: The astronauts from China, the United States and Russia. Maybe people will fly to Mars one day. Do you think it is magical? Ss: Yes, that’s very exciting. S6: I want to be an astronaut like Yang Liwei. S7: Fly to Mars? Can we do the same thing on Mars as on the earth? T: Yes, we’ll be able to do anything that can be done on the earth. We’ll be able to do anything that can be done on the earth. modal verb + be + p.p. T: Do you think there are aliens in space? S8: I don’t think aliens can be found in space. S9: I won’t believe there are aliens until I see them with my own eyes. I won’t believe there are aliens until I see them with my own eyes. see sb./sth. with one’s own eyes T: OK, I think scientists will do experiments to research whether there are aliens in space. And scientific research should be done carefully. (板书.解释并要求掌握research.) research n./v. science n.→scientific adj. T: Boys and girls, if you can be an astronaut one day, maybe you can do more research about space. But you should study hard now to make your dream come true. Step 2 Presentation 第二步 呈现 (让学生听前讨论.以加深理解.) T: Boys and girls, I will ask you two questions before listening. Please discuss them in two minutes. (1)Do you think people will live on Mars in the future? (2)Do you believe there are aliens in space?

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