Unit 2 Reading Life on a space station课件 2022-2023学年牛津译林版高中英语选择性必修第三册

Reading Life on a space station Review He has been occupied in business matters. Review Key Points _______(expose) to the low-gravity environment lead to loss of muscle and bone mass. _______(expose) to the low-gravity environment, astronauts are likely to ____(loss) a large amount of muscle and bone mass. _______(expose) to the low-gravity environment lead to loss of muscle and bone mass. Being exposed s Exposed lose ←动名词做主语，谓语动词要加三单 ←非谓语动词作状语 Exposure s Presentation What famous astronauts do you know about? (go) history (orbit) m____ (honour) 是中国首位进入太空的女性 Presentation What information do you expect to get from this lecture? Presentation Read the lecture script and finish A1 on P18 Para__ Para__ Para__ Para__ Para__ Working Eating Exercise Leisure activities Performing tasks outside the space station 2 3-4 5 6 7 Presentation Read the lecture script and answer questions below We usually sleep in private quarters, which are more like large cupboards, or in sleeping bags attached to the walls or the ceiling.（P16 line 7-8） The routine tasks that occupy most of the day are demanding, but they can also be extremely rewarding. Our main mission is to conduct scientific research.(P16 line 11-12) ......With so much going on, the space station needs a lot of maintenance, so we constantly check support systems and do some cleaning. (P16 line19-21) Presentation Read the lecture script and answer questions below First, we put on our spacesuits, which allow us to breathe in space and protect us from exposure to the cold and radiation. We must drink water or any other liquids out of a bag through a thin tube of plastic. Did you know that in just five months, astronauts could lose a significant amount of muscle and bone mass? Considering these negative effects low gravity has on the human body, we discipline ourselves to do at least two hours of exercise every day. Read the lecture script again and find sentences using pronouns like “it”，“that” and “they” to improve cohesion.