【人教版】八年级英语下册 课件：Unit 7 Section B Period 5 （3a-3b Self check）（共26张PPT）.ppt

* * * * * * * * * * * * * * * * * * * * Period 5 3a-3b Self check Unit 7 What’s the highest mountain in the world? Section B Important phrases: feel free as far as I know in the face of even though at birth up to run over walk into fall over or so 大约 随意做… 就我所知 面对（问题、困难） 即使；虽然 出生时 到达 跑上前去；跑过去 走路时撞着 绊倒 Important sentences: 1.What’s the highest mountains in the world? 2.How long is Qomolangma? 3.It’s 8,844.43 meters high. It’s higher than any other mountain. 4.Which is the deepest salt lake in the world? 5.The Caspian Sea is the deepest of all the salt lake. 6.Did you know that China is one of the oldest countries in the world? Yes, I did. It’s much older than the US. 1. …cm taller/shorter 2. much /even/a little/less +比较级 …times more than …. Talk about how to protect pandas. Important structures: 鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。 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. 3a What do they look like? Where do they live? What do they eat? What can they do? Why do some of them have to be protected? How can we protect them? What do they look like? Where do they live? What do they eat? What can they do? Why do some of them have to be protected? How can we protect them? Huge; Some kinds have teeth Live in the sea Eat small fish and other sea life Jump high out of the water; Sing songs Humans catch whales for meat, fat and oil; Water pollution; Whale parts sold to make things like candles and soap Rules on whale protection; Learn more about whales; Stop putting rubbish into the sea 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 t