(
课件网) Unit 5 Lesson 30 computers smart phones 导入新知 Have you ever done any interesting experiments Can you describe one of them fill...with cover...with turn ...upside down take off pour out stay push ...onto Review Have you ever done any interesting experiments Can you describe one of them put ...in put ...onto fill...with light let...burn put...over examine use up be made up of Review Read the first e-mail carefully and answer the questions. 1. Who wrote the e-mails 2. What’s the subject of this e-mail 3. Where did Danny, Jenny and Brian do the experiment 4. What does this experiment prove(证明) Jenny. It is about an experiment. In science class The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. that 用来替代“the+前述名词”,以避免重复 Reading tasks THINK ABOUT IT ·Have you ever done any interesting experiments Can you describe one of them ·What would life be like without computers or mobile phones ① Hi Wang Mei， How are you？Everyone here is fine. Do you want to surprise your friends ② Brian，Danny and I did an experiment in science class this 合作探究 week. I suggest you try it，too！ ③ First，get a jar full of water and a piece of cardboard. Cover the jar with the cardboard and turn the jar over. Next，take your hand off. Can you guess what happens The cardboard holds the water in the jar! The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. The higher air pressure outside the jar holds the cardboard in place. ④ Science is interesting. Don’t you think so Jenny Dear Jenny， I’m very well. Thanks! The experiment you did sounds interesting. Yes，science is interesting，and it affects our everyday lives. ⑤ Our lives would surely be very different without scientific developments. I always wonder what life would be like without computers or mobile phones. Scientific discoveries are making our lives better and better. This week we had some science lessons，too. I enjoyed learning about DNA. It’s really one of the most amazing things on the earth! Scientists are doing so many new things with DNA.I think it will change the world. It will be interesting to see what happens. Wang Mei ①Do you want to surprise your friends surprise /s 'pra z/ v. 使惊奇 n. 惊喜, 惊奇 考点1 surprise 的常用短语： ① get a surprise 吃了一惊 ② in surprise 惊讶地 ③ to one’s surprise 令某人吃惊的是 考点精讲 e.g. The results might surprise you! 结果会使你惊讶! I have a surprise for you. 我有一个惊喜给你。 To my surprise, he can finish the work in a short time. 令我吃惊的是, 他能在很短的时间内完成这项工作。 用作动词 用作名词 e.g. All of them were surprised at the UFO. 他们都对不明飞行物感到吃惊。 We were deeply moved by his moving story. 我们都被他的感人事迹深深地打动了。 surprising 意为“令人惊奇的”, 常用来修饰事物。 surprised 意为“感到惊奇的”, 主语多为人。be surprised at对……感到 ... ...
