Unit 2 Section B（1a-1e）【精美课件】-【高效课堂】2022-2023学年八年级上册英语同步精品课件（人教版）

人教八年级上册英语课件 Unit2 SectionB 1a-1e How often do you exercise? 0 Learning goals Learning golas. Key words junk coffee health Useful Phrases junk food be good for Functions 能谈论日常饮食和其他生活习惯 Grammar how often....? Adverbs of frequency Key sentences 1.How often do you...? 2.How many ... do you...? 3.Do you...?/ Does he/she...? warming up Brainstorm food cabbage onion tomatoes bananas apple fish ice-cream coffee cola hamburger Warming up Pre-listening Are these foods healthy or unhealthy? healthy food Pre-listening Are these foods healthy or unhealthy? junk food unhealthy food Pre-listening Pre-listening junk food的说法来自于葡萄牙语。大约500年前，在葡萄牙语里有一个词“junk”，意思是“old pieces of rope(旧缆绳)”。天长日久，这个词的意思逐渐演变为任何可利用的废弃材料。最后，“junk”用来指价值不高或根本没有任何价值的东西。于是，人们就称没有多少营养的食物为“junk food”。 junk food A. B. C. D. E. F. G. H. ABDG healthy food CEFH junk food Pre-listening Pre-listening:Free talk —How often do you drink/eat it? —I drink/eat... every day/once a week/... I never drink/eat... I often/sometimes/usually drink/eat... Pre-listening:Discussion How should we keep a healthy life? ... a healthy diet sleep well keep an optimistic(乐观的) mind exercise keep oneself clean 1a Match the words with the pictures. 1. b junk food 3. ____ fruit 5. ____ sleep 2. ____ milk 4. ____ vegetables 6. ____ coffee a e c f d a b c d e f Pre-listening Unhealthy life Healthy life Pre-listening Pre-listening:Discussion 1. What food should we always eat? 2. What should we often drink or eat? 3. What should we hardly ever or never eat? 4. What do you usually eat or drink? 5. Do you sometimes drink coffee? Why? 6. Are hamburgers good for our health? How about fruit? Why? Ask and answer questions. Use the words from 1a. 1b A: How often do you drink milk, Liu Fang? B: I drink milk every day. A: Do you l