Unit 6 When was it invented？Period 5 Section B 3a－Self Check（分层达标课件）-【思而优·全程突破】2023秋九年级英语全一册同步训练（人教版）

九年级英语全一册 使用软件 本课件由WPS Office制作，建议老师选择对应软件打开。课件页面宽高比为16:9。 便捷操作 优质服务 关于课件使用及获取更多优质课件、名校试卷时政热点等，请扫下方码加入教学教研。 课件中的目录、返回目录等均有超链接，点击即可跳转至相应页面。 课件使用说明 UNIT 6　When was it invented? Period 5　Section B 3a－Self Check 一、回答问题 Nowadays our life is getting more convenient because of more and more smart inventions. So in the near future，which new inventions will probably appear? Solar(太阳能的)paint. As renewable(可再生的)energy，solar power will be widely used，but the challenge is how to reduce the cost. The invention of solar paint will solve the problem. This kind of special paint is used for taking in sunshine and turning it into useful energy. Period 5　Section B 3a－Self Check A smart coat. People usually choose different clothes to wear in different seasons. Now scientists are trying to develop a kind of coat for all seasons. A smart system hidden in the coat can change the temperature inside according to the weather condition outside，making you feel warm in cold winter and cool in hot summer. Period 5　Section B 3a－Self Check Intelligent home appliances(电器). Although many of our home appliances are smart，they can’t be really connected to each other. So imagine one morning the window will be opened by itself after you get up，and that on your way home，the air conditioner has been turned on to make your house cool or warm. Period 5　Section B 3a－Self Check A 3D food printing machine. If you hate cooking，buy one 3D food printing machine. The future invention can be used to produce all the food you are imagining. What’s more，this kind of food will be as delicious and healthy as that human cooks make. It will be a pretty useful invention. Period 5　Section B 3a－Self Check Why is our life getting more convenient? Our life is getting more convenient because of more and more smart inventions./Because of more and more smart inventions. 2. How many kinds of new inventions are mentioned in the passage? Four kinds of new inventions are mentioned in the passage./Four./4. Period 5　Section B 3a