人教版八年级英语下册Unit7 Section B 2优课件.ppt

Unit 7 Whats the highest mountain in the world?;Section B 2 3a-Self check;;Important sentences:;1. …cm taller/shorter 2. much /even/a little/less +比较级 …times more than …. Talk about how to protect pandas.;; 鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。;Read the following words and phrases about whales. Put them in the correct place in the chart.;7. Live in the sea 8. Some kinds have teeth 9. Learn more about whales 10. Stop putting rubbish into the sea 11. Sing songs 12. Whale parts sold to make things likes candles and soap;What do they look like？;Write a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster.;Whales are… They live in… They eat… They can… One interesting fact is… Another interesting fact is… Some kinds of whales are in danger because… We should protect whales from… I think people should/shouldn’t…;clever--cleverer--cleverest nice--nicer--nicest easy--easier--easiest fat--fatter--fattest thin--thinner--thinnest beautiful--more beautiful--the most beautiful careful--more careful--the most careful good/well--better--best bad--worse--worst many/much--more--most ;Self check;2. Match verbs and objects. Then add one more object to each list.;3. Circle the correct word and /or fill in the blank with the correct form of the word in brackets for each sentence.;1. The biggest ______ in the world is the Sahara. 2. The river is too ______ to swim in. 3. China is one of __________ civilizations (文明) in the world. 4. The ______ of the fastest animal is 120 kilometers per hour. 5. －What ______ do you need for your coat? －I want a large one.;二、用括号内单词的适当形式填空。 1. Jim is very ______. Li Lei is _______ than Jim. (hungry) 2. Kate’s mooncakes are _______ of all. (nice) 3. Your box is ______ than mine. But his is _______ of the three. (heavy) 4. Unit 2 is quite _____. Unit 3 is _____ than Unit 2.