Unit2 Topic3 What can we do at home to protect the environment.Section B课件（22张）

Section B What can we do at home to protect the environment? Unit 2 Topic 3 Noise is a kind of pollution and it’s harmful to our hearing. 2. Work hard, or you will fail the exam. 3. Nodding the head means agreement while/but shaking the head means disagreement. 4. Hurry up, or you will miss the bus. 5. He has failed several times, but he never gives up. 2 Review p44 ought to shut off electricity distance cloth action after all 应该 关掉 电 距离 布料 行动 毕竟 Teaching aims and demands: Learn to give advice with the phrase “ought to”. Lead students to protect the environment by doing ordinary things around us and to be greener persons. You should /ought to … shut off the electricity n.电，电能 关闭 e.g. You should / ought to shut off the electricity when you leave a room. You should/ought to ride a bike to your school. You should/ought to take a bus to school instead of taking a taxi. You should/ought to take a cloth bag when you go shopping. 1. ought to 情态动词 应该，应当做… do sth. You ought to turn off the lights when you leave a room. 2. ought not to 不应该做… You ought not to get up so late in the morning. (无人称和数的变化) do sth. 你应该在你离开房间的时候关灯。 他不应该早上那么迟才起床。 1.Jane and Michael are mainly talking about _____. why we should shut off the electricity when we leave what we should use when we go shopping how to be a greener person 2. Actions speak louder than words means ____. words are not as loud as actions to do well is better than to say well actions can speak, but words can’t do it 1b 1. 一个更环保的人 3. 关灯 4. 代替，取代 6. 减少空气污染 7. 说起来容易做起来难。 a greener person shut off the electricity instead of (doing) sth. reduce air pollution 8. 行动胜于言辞。 2. 应该 ought to do sth. / should do sth. 5. 短途旅行 travel a short distance Easier said than done. Actions speak louder than words. To be a greener person 1._____when you leave the room. 2. If you travel a short _____, you shouldn’t _____ , but _____. So this helps to _____ and _____. 3. When you go shopping, you’d better _____ instead of using _____. You ought to shut off the electricity distance take a bus or a taxi walk or ride a bike save energy reduce air pollution take a cloth bag plastic bags 1c How can we become a greener person? _____ waste. Don’t buy cups or boxes which can be used only once. Save electricity. _____ the electricity when you are not using it. _____ boxes and plastic bottles. _____ fruit and vegetables yourself. Try to _____ a bike when you travel. _____ both sides of the paper. _____ pans when you are cooking. Reduce Shut off Recycle Grow ride Use Cover 2 Match them with the right pictures. 2 ① ② ③ ④ ⑤ ⑥ ⑦ The earth is our home. Some things we have done are good for the earth w_____ some are bad. We have polluted the earth, a_____ it is sick now. We c_____ down too many trees, so lots of rich land has c_____ into desert. Factories p____ waste water into rivers. Pollution has caused many s_____ problems. T ... ...