unit7sectionB3a-self-check-(2)VIP专享VIP免费

Important phrases:feel freeas far as I knowin the face ofeven thoughat birth up to run overwalk into fall overor so随意就我所知面对（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大约 Important sentences:What’s the highest mountains in the world?Qomolangma.How long is Qomolangma?It’s 8,844.43 meters high. It’s higher than any other mountain.Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lake.Did you know that China is one of the oldest countries in the world? zxxkYes, I did. It’s much older than the US. 1. …cm taller/shorter 2. much /even/a little/less + 比较级3. …times more than ….4. 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.1. Humans catch whales for meat, fat and oil2. Eat small fish and other sea life3. Jump high out of the water4. Rules on whale protection5. Huge6. Water pollution3a 7. Live in the sea8. Some kinds have teeth9. Learn more about whales10. Stop putting rubbish into the sea11. Sing songs12. Whale parts sold to make things likes candles and soap 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? Zx ， xkHow can we protected them?5 8723 111 ...