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1、1. Tigers _ _ (以以.为食为食) the meat.2. _ _ _(众所周知众所周知), dogs are our friends.3. 他和好朋友一起分享这个美味的蛋糕。他和好朋友一起分享这个美味的蛋糕。 He _ the delicious cake _ his good friends.4. Dont _ _(玩耍玩耍) the fire.5. There are five _(goose) and two _ (fox) on the farm.Practicefeed onAs we knowshared with play withgeesefoxesUnit 4
2、Our worldTopic 1 Plants and animals are important to us.Section Crainforest 雨林雨林forest 森林森林/ reinf:rst/f:rst/What are in the rainforest?Learn the new wordsearth n. 地球，泥土，大地地球，泥土，大地/:/surface 表面表面/ s:fs/wood n. 木头，木材；木头，木材；woods 树木，森林树木，森林rubber n.橡胶橡胶/ rb/ wud/ sea n. 海洋海洋ocean n. 海洋海洋/si:/ n/ drp/
3、drop n.滴滴 v. 掉下掉下 lake n.湖泊湖泊/ leik/1.What do you think of the rainforest?2. Rainforestsare important to us, arent they?Listen and mark true (T) or False (F) according to 1a.( ) 1. Rainforests cover half of the earths surface.( ) 2. We can see everything clearly in rainforests.( ) 3. Rainforests can
4、 give us many useful things.( ) 4. In rainforests all the animals live on the ground.( ) 5. Without rainforests, the environment would become quite terrible.FFTFT/ kv/Read 1a and finish the exercises( )1. What does “cover” mean in this passage? A. set up B. spread over C. have D. form( ) 2. We cant
5、get the answer to Question _ from the passage. A. What are in rainforests? B. Why are rainforests important to us? C. What can we get from rainforests? D. What should we do to protect rainforests?BD/prtekt/ v. 保护保护3. Why are rainforests “the lung of the earth”?4. Whats the main idea of the passage?A
6、.The plants in the forests help to make the air fresher. B.They also help to control the climate.C. They give us woods, rubber, fruit ,medicine and so on.D. Both A and B.A.We should protect the rainforests. B. There are many animals in the rainforests.C. There are lots of plants in the rainforests.D
7、. Rainforests are becoming smaller and smaller./mein/DAThousands and thousands of animals live in rainforests.成千上万的成千上万的成百上千的成百上千的成百万上千万的，成百万上千万的，数以百万计的数以百万计的hundreds ofmillions ofKey points_ visitors come to the Great Wall every year.A.Five thousands of B. Thousands ofB.C. Thousand ofBBut now rainf
8、orests are becoming smaller and smaller.越来越小越来越小 “ “形容词比较级形容词比较级形容词比较级形容词比较级+and+and+形容词比较级形容词比较级形容词比较级形容词比较级” ”或或或或“ “more and more + more and more + 多音节形容词原级多音节形容词原级多音节形容词原级多音节形容词原级” ”The weather gets_.中国越来越美丽。中国越来越美丽。中国越来越美丽。中国越来越美丽。China is_.Key pointse.g.e.g.天气变得越来越暖和了。天气变得越来越暖和了。天气变得越来越暖和了。天气变
9、得越来越暖和了。warmer and warmermore and more beautifulRainforests cover 6% of the earths surface.rainforests 6%the earths surfaceRainforestscover n. 盖子、封面盖子、封面 v. 覆盖覆盖cover with 遮盖遮盖be covered with 被被.所覆盖所覆盖The plants in the forests help to make the air fresher.RainforestsRainforests can help to control t
10、he climate./kntrl/The rainforests can give us wood, rubber, fruit, medicine and so on.Rainforestsmake the air freshercontrol the climategive us woods, rubber, fruit, medicine and so on1 C Pair Workfeed, fresh, rubber, small, on, control, meatThere are a lot of trees around us. The trees can help to
11、make the air _and cleaner. They can also help to _ the weather. They provide(提提供供) humans with food, _, medicine and other things. Because of the trees, many animals can live _ the earth. But people often cut trees down in large numbers. The forests are becoming much _than before, so we should prote
12、ct them well.用所给词的适当形式填空，其中有两项多余。用所给词的适当形式填空，其中有两项多余。controlrubberonsmallerfasherLook and say What covers most parts of the earth? Water. Its in rivers, lakes, seas and oceans.Read and understand2a2b Complete the passage according to 2a. Water is _ to all living things. All _ and _ need water. _ als
13、o need water to drink, to cook and _ _. _ water, there could be no life on earth. So we must save water.important plantsanimals Humans to clean Without In fact, water makes up the largestpart of the human body.1. In fact 实际上，实际上， 事实上事实上2. make up 组成，组成， 构成，占构成，占3. large -larger -largest4. part of .的
14、部分的部分 most part of 绝大部分绝大部分Key pointsWater covers most parts of the earth.Language PointsIn fact, water makes up the largestpart of the human body.1. In fact 实际上，实际上， 事实上事实上2. make up 组成，组成， 构成，占构成，占3. large -larger -largest4. part of .的部分的部分 most part of 绝大部分绝大部分3 Number the following sentences. Sp
15、ring is warm. Its the best season to plant a tree.( ) Put the tree in the hole and keep it straight.( ) Fill the hole with earth and make the earth hard with your feet.( ) Dig a hole in the earth and make sure the hole is deep enough for a tree.( ) Water the tree. If everything is ok, the tree will
16、grow new leaves a few days later. 1234Retell how to plant trees according to the pictures.Retell how to plant trees according to the pictures.1. You should drink _ _(大量大量) boiled water.2. Water _ _ _(必需必需) all living things.3. Water covers _ _ _(绝大部分绝大部分)the earth.4. Water _ _ (构成构成)the largest part
17、 of the human body.Practiceplenty ofis necessary for most part of makes up1.Discuss what we should do to keep the water clean?2.2. Finish 3 “Work alone”.3.3. Read 1a and 2a.Homework Thanks for listening! Goodbye!/ / :/:/、/:/:/、/:/:/、/i:/i:/、/U:/U:/、/、/、/、/、/、/、/e/e/、/、/ /ee/ /、/ /aa/ /、/ / /、/ / /、/ /ee/ /、/ / /、/ / /、/ /aa/ / t
