人教版八年级英语下册课件Unit7SectionB(3aselfcheck)

1、Section B (3a-Self Check)Unit 7 Whats the highest mountain in the world?GuessThey are huge animals.They live in the sea.They can sing songs.They can jump high out of water.They 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，鲸是终生生活在水中的哺乳动物，对水的

2、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。Do you know? 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。3aRead the following words and phrases about whales. Put them in the correct place in the

3、chart.What do they look like?Where do they live?What do they eat?What can they do?HugeSome kinds have teethIn the seaSmall fish and other sea lifeJump high out of the waterSing songsWhy do some of them have to be protected?How can we protect them?Human catch whales for meat, fat and oilWater polluti

4、onWhale parts sold to make things like candles and soapRules on whale protectionLearn more about whalesStop putting rubbish into the seaSing songs (to make people more aware of the importance of protecting whales)3bWrite a paragraph about whales and why they need to be protected. Use the information

5、 in 3a. Then make a poster.Whales are They live inThey eat They canOne interesting fact is Another interesting fact is Some kinds of whales are in danger becauseWe should protect whales from I think people should/shouldnt Whales are huge animals. They live in the sea and eat small fish and other sea

6、 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 whale prot

7、ection and by not putting rubbish into the sea. I think people should learn more about whales.Self Check1Complete the chart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhighestmore dangerousmost dangerouslongerlongestmore popularmost popular2Match verbs and objects. Then add one m

8、ore 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, my money, my familyb. the top of a mountain, the library, the theaterc. my dream, success, good results3Circle the correct word and/or fill in t

9、he 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.

10、crowdedstronger1. 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.Exercisesdesertdirtythe oldest一、根据句意，用适当的

11、词填空。speedsize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. Kates 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. Its _ in Module 1. (hard)5. This TV play is _ than that one. (good)hungryh

12、ungrierthe nicestheavierthe heaviesthardharderthe hardestbetter6. My mother is very _. She is _ in my family. (busy)7. Lingling gets to school _ than the others. (early)8. She speaks English _ in our class. (well)9. Lucy jumped quite _. (far)10. I think English is as _ as Chinese. (important)11. Thi

13、s picture is _ of the four. (beautiful)12. Lucy did _ than Lily. (bad)busythe busiestearlierbestfarimportantthe most beautifulworse三、单项选择。1. My brother is _ more outgoing than me. A. many B. little C. much2. October 12th was one of _ days in 2005. Shenzhou-VI was launched（发射） successfully. A. exciti

14、ng B. more exciting C. the most exciting3. Which city is _, Beijing, Shanghai or Fuzhou? A. beautiful B. the most beautiful C. more beautiful CCB4. _ children there are in a family, _ their life will be. A. The less, the better B. Fewer, richer C. The fewer, the better5. Mobile phones are very popul

15、ar now and they are _ than before. A. cheap B. cheaper C. the cheapest6. In our city, its _ in July, but its even _ in August. A. hotter, hottest B. hot, hot C. hot, hotterCBC7. Jacks handwriting is as _ as Mikes. A. good B. better C. best8. We can do the work better with _ money and _ people. A. li

16、ttle, few B. less, fewer C. fewer, less9. Jim is the tallest student in our class and Tom is the second _ one. A. tall B. taller C. tallestABCSummaryImportant 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

17、撞着绊倒大约Important sentences:Whats the highest mountains in the world?Qomolangma.How long is Qomolangma?Its 8,844.43 meters high. Its 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?Yes, I did. Its much older than the US.1. cm