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1、Unit4 Our World Topic1 Which do you like better,plants or animals? SectionD一、话题导学：（学习目标）1.Learn some new words and phrases:southwest, bamboo, less, land, sea, south, fur,bone,feature,feed on, in danger, 2.Go on learning the structure of comparative and superlative degrees of adjectives: (1) But now
2、they have less and less land to live on. (2) So pandas are becoming fewer in number. (3) The heaviest animals in the world are not elephants. (4)They are the largest but they feed on the smallest sea animals. (5) They are the oldest type of tigers in the world and they eat small animals. 3. Talk abo
3、ut the animals in danger and review SectionA-C二、预习导纲：1、单词互译与记忆 1)陆地_2)海洋_3）sound_4) bamboo_5) south_ 2、短语互译与记忆 1) 处于危险中_ 2) 最大最重的动物_ 3) 越来越少_ 4) 以.为食_5) kill . for._3、句子理解与熟读(1) But now they have less and less land to live on. (2) They are the largest but they feed on the smallest sea animals. (3) N
4、ow they are in danger because some people make their ocean home dirty and others kill whales for their meat. (4) They are the oldest type of tigers in the world and they eat small animals.三、课堂导练：1、选词填空small, live on , think of , in danger , such as1) The rabbit did not see the tiger behind , It was
5、2) The number of some animals is getting and at the moment . 3) Mr Lee knows several languasges , English ,Janpanese and Chinese. 4) Kate often her parents when she looked at the photo. 5) Elephants land ,but fish live in water.2、单项选择。( ) 1. Tigers and wolves are very strong ,they all small animals
6、.A. spend B. pick up C. feed on D. eat up ( ) 2. Why are so many animals homeless now ? Because they have places to live in .A. less and less B. more and more C. fewer and fewer D. larger and larger ( ) 3. Birds are than insects.A. big B. biggest C. bigger D. the biggest ( ) 4. you practice , it bec
7、omes.A. more easier B. The more the easier C. The more easier D. More the easier ( ) 5. He is of the two .A. tall B. taller C. the tallest D. the taller.四、复习自测：完形填空 Now in some places of our country, many people are cutting down(砍伐) the trees in the forests. They need more 26 to build houses and mor
8、e farmland to grow crops and so on. The areas of forests are getting 27 . Some scientists say that there 28 no big forests in 20 or 30 years. It is really a(n) 29 thing. 30 the forests, we will have sandstorms(沙尘暴) often. The weather will get 31 . The earth will become a big desert(沙漠). A lot of pla
9、nts and animals will 32 . Crops will not grow anywhere. Life will be 33 for everyone. So we should do our best 34 our living environment and keep our mountains 35 , the water clean, and the sky blue. ( ) 26. A. woodB. moneyC. desertsD. leaves ( ) 27. A. bigger and biggerB. less and less C. smaller a
10、nd smallerD. more and more ( ) 28. A.hasB. haveC. will haveD. will be ( ) 29. A.excitedB. happyC. betterD. terrible ( ) 30. A.WithB. UnderC. WithinD.Without ( ) 31. A.wet and coldB. hot and dryC. cold and dryD. hot and wet ( ) 32. A.comeB. liveC. dieD. turn ( ) 33. A.difficultB. easyC. enjoyableD. p
11、oor ( ) 34. A.protectB. to protectC. protectingD. protected ( ) 35. A.clearB. freshC. greenD. blue五、课文解读：(1) They feed on bamboo. 他们以竹子为食。 feed, 动词，喂，养的意思。 feed on 以.为食。(2) But now they have less and less land to live on. 但现在他们可以居住的地方越 来越少。 to live on 定语后置，修饰 land。less 是 little 的比较级，属于不规则变化。 (3)Now
12、they are in danger because some people make their occean home dirty and others kill whales for their meat. 现在由于有些人污染了它们的（蓝鲸）海洋之家，还有其他人为了它 们（蓝鲸）的肉而猎杀它们，所以它们（蓝鲸）正处于危险当中。be in danger 处在危险当中(4)They are the oldest type of tigers in the world and they eat small animals .它们（华南虎）是 世界上最古老的虎种。它们吃小动物。 六、评价 内容等级自评小组长评价预习情况ABCD课堂表现ABCD小组合作ABCD
