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课件网) Unit 3 Sound Body, Sound Mind Grammar in Use Learning Objectives 通过本课的学习，学生能够: 1. 通过朗读与观察了解否定前缀与need的用法。 2. 通过总结与练习巩固否定前缀与need的用法。 3. 通过练习活动知道良好的生活习惯对健康的重要性。 Brainstorm Talk about the questions below. 1. What can make people healthy Having a healthy diet, doing more sports, staying positive and having a good living habit. 2. What can we do to keep healthy in our daily life We can eat more fruit and vegetables, play ball games after class, communicate with friends and so on. Activity 1 Look at the pictures and read the sentences. Pay attention to the words in bold. He became a non-smoker in order to keep healthy. Seafood may seem to disagree with some people. Hamburgers may taste delicious, but it is unhealthy to eat too many of them. It is incorrect to do sports with an empty stomach. Activity 1 Compare the words and guess the meanings. smoker agree correct incorrect healthy dislike impossible nonstop misplace uncomfortable nonsmoker disagree unhealthy The prefixes non-,dis-, un-, mis-, in- and im- usually express the opposite meaning of the original words. Fill in the blanks with the correct form of the given words. dislike impossible nonstop misplace uncomfortable 1. It is _____ to keep healthy without good living habits. 2. Don't eat too much junk food, or you will feel uncomfortable. 3. She dislikes ice cream because it's bad for her teeth. 4. My sister’s room is tidy, and she never misplaces her things. 5. We felt very tired after a long and nonstop walk. Activity 2 impossible Bad habits do a lot of harm to our health. Activity 2 Staying up feel sleepy and tired. fall ill forget things easily ...... Activity 3 Read the text and fill in the blanks with the words in the box. impatient uncomfortable improper nonsense A(n) _____ habit does a lot of harm to people. For example, staying up late is very bad for people's health. Clearly, they will feel sleepy and impatient next day. What's worse, people will become nonsense and they may even forget important dates. Sometimes, they will talk uncomfortable because their minds are not clear. To get rid of the habit, people need to do some sports and sleep early. A healthy body and a clear mind will make them feel good all day. improper 更糟糕的是 避免、摆脱、除去 Activity 1 Pair work. Read the conversation. Pay attention to need. What’s the matter with you You can watch the games online next day. You needn’t stay up. You need to take care of yourself OK. Thank you for your advice. I stayed up to watch the soccer game last night. I need to get some sleep now. Grammar in Use Activity 2 Complete the table and learn how to use need. Need Example need to do We need _____ (get) enough sleep every dday. don't/doesn't need to do The girl is getting well and she doesn't need to take (take) the medicine now. needn't do Kangkang needn't do (do) the work today. He can hand it t ... ...
