人教版英语八年级下册Unit-7-Section-B-(3a-Self-Check)精美课件.pptx-(课件无音视频)

1、Unit 7 Whats the highest mountain in the world?Section B(3a-Self Check)1.To learn the article in 2b2.To learn new words:bamboo,research,keeper,awake,excitement,illness,wild,government,oil,protection,hugeThey are huge animals.They live in the sea.They can sing songs.They can jump high out of water.Th

2、ey are very clever and also very friendly.What are they?Can you guess what the animal is?鲸的体型是世界上存在的动物中最大的，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，是现在世界上最大呼吸。体长可达三十米，是现在世界上最大的动物。的动物。鲸为适应水中生活，减少阻力，它

3、们的鲸为适应水中生活，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，流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至小型齿鲸可潜至100-300100-300米的水深处，停留米的水深处，停留4-4-5 5分钟，长须鲸可在水下分钟，长须鲸可在水下300-500300-500米处待上米处待上1 1小小时，最大的齿鲸时，最大的齿鲸-抹香鲸能潜至千米以下，抹香鲸能潜至千米以下，并在水中持续并在水中持续2 2小时之久。小时之久。Humans catch whales for meat,fat and oilEat

4、 small fish and other sea lifeJump high out of waterRules on whale protectionHugeWater pollution12 3456Live in the seaSome kinds have teethLearn more about whalesStop putting rubbish into the seaSing songsWhale parts sold to make things like candles and soap7891011123 3a aRead the following words an

5、d phrases about whales.Put them in the correct place in the chart.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 protected them?5 8723 111 6 124 9 10Whales are They live inThey eat They canOne interesting fact is Anothe

6、r interesting fact is Some kinds of whales are in danger becauseWe should protect whales from I think people should/shouldnt 3b3bWrite a paragraph about whales and why they need to be protected.Use the information in 3a.Then make a poster.Whales are huge animals.They live in the sea and eat small fi

7、sh and other sea life.One interesting fact is whales can jump high out of water.Some kinds of whales are in danger because humans catch them for meat,fat,and oil,and use whale parts to make candles and soaps.Whales are also in danger from water pollution.We should protect whales by making rules on w

8、hale protection and by not putting rubbish into the sea.I think people should learn more about whales.英语中，英语中，awake常用于常用于be,stay,keep,lie之之后，作表语；但也可与后，作表语；但也可与shake等动词搭配，等动词搭配，表示表示“某人摇醒他人某人摇醒他人”等。等。At 9:00 a.m.,they find that most of the babies are already awake and hungry.You would have to shake he

9、r awake.你得把她给摇醒。你得把她给摇醒。另外，另外，awake不与不与very搭配使用，表示搭配使用，表示“完完全醒来；十分清醒全醒来；十分清醒”用用fully awake，wide awake。He was wide awake by the time we reached my flat.等我们到达我的住所时，他已经完全清醒过来了。等我们到达我的住所时，他已经完全清醒过来了。注意：注意：awake不用于名词之前，因此用作定不用于名词之前，因此用作定语时要后置。语时要后置。10 kilos of bamboo意为意为“10公斤竹子公斤竹子”，该结构，该结构是不可数名词量的表达法，其结

10、构为是不可数名词量的表达法，其结构为“数词数词+单单位名词位名词+of+名词名词”。单位名词可以是单数，也可。单位名词可以是单数，也可以是复数。以是复数。spend (in)doing sth.意意为为“花费花费做某做某事事”。They spent two years(in)building this bridge.造造这座桥花了他们两年时间。这座桥花了他们两年时间。Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo.1.Complete the chart.AdjectivesComparat

11、ivesSuperlativeshighdangerouslongpopularhigherhighestmore dangerousmost dangerouslongerlongestmore popularmost popular2.Match verbs and objects.Then add one more object to each list.VerbsObjects1.reacha.my life,my money,2.achieveb.the top of a mountain,the library,3.riskc.my dream,success,a.my life,

12、my money,my familyb.the top of a mountain,the library,the theaterc.my dream,success,good results3.Circle the correct word and/or fill in the blank with the correct form of the word in brackets for each sentence.1.An elephant weighs(few/many)times more than a dog.2.An adult panda can eat(much/a little)more than a cat.3.Canada is a(little/lot)less _(crowded)than China.4.A tiger is(much/a little)_ (strong)than a man.crowdedstrongerWrite a paragraph about how to protect endangered animals,use the useful sentences in 3b