仁爱英语八年级上册Unit4Topic1.ppt

Unit 4 Topic 1,Section C,2. how many animals are living in rainforests ? live in +sp. 居住在某地 ShangHai is the place where Jim lives in. I need a pen to write with. 4.what can we get from rainforests ? 5.why are rainforests important to us ? be important to sb. Its important for sb. to do sth. As we know, water is very important _ us. A. of B. to C. on D. with,Rainforests,Rainforests are thick forests in the hot parts of the world . They provide places to live for thousands of plants and animals found nowhere else on earth. provide sth for sb 把某物提供给某人 provide sb with sth 为某人提供某物 We provided them _ food ,but they provided some clothes _ us . A with;with B for;for C with;for D for;with,It rains a lot and the ground is always wet . Its always dark and hot in rainforests. Rainforests cover 6% of the earths surface. cover with . be covered with.,Rainforests cover 6% of the earths surface.,six percent,Key points,数词 % +,可数名词复数,可数名词单数 / 不可数名词,Eg: 50% of the students in our class are boys. 70% of the earth is water.,there are lots of tall trees and other different kind of plants ,thousands and thousands of animals live in rainforests . Many of them live in the trees over 30 meters from the ground.,thousands of plants 数千 hundreds of animals 数百 thousands and thousands of 千千万万的 表示不确定数时，hundred 和 thousand 等词后不但要加s，而且还要用of 构成固定词组 表示确定数目时。要在hundred 和 thousand 等词前加一个具体数字，但hundred 和 thousand等词后不要加s，不用of 构成固定词组 thousands of plants （be） five thousand plants（be） on earth= on the earth在地球上 what on the earth 究竟,Rainforests are very important to us .They are the lungs of the earth. The plants in the forests help to make the air fresher and cleaner. They also help to hold the water when it rains and keep the water cycling.,They play an important part in controlling the climate. play an important part in sth 在某事上扮演着重要的角色 =play an important part in doing sth control controlled controlling,Rainforests also help to keep the beauty of nature . without rainforests ,many beautiful plants and animals would die out . without 引导的虚拟语气：表示动作或状态不是客观存在的事实，而是说话人的主观愿望、假设或推测等。 If I were you, I should study English. 如果我是你，我就学英语了。 May you succeed! 祝您成功！ die out die of,与现在事实相反: 从句: 动词的过去式（be的过去式一般用were） 主句:would/ should/ could/ might + 动词原形 If my brother were here, everything would be all right. 与过去事实相反 : 从句 :had + 过去分词 主句 :would/ should/ could/ might + have + 过去分词 If you had taken my advice，you wouldnt (couldnt) have failed in the exam. 与将来事实相反 : 从句:动词过去式，should + 动词原形， 主句 :were to + 动词原形 would/ should/ could/ might + 动词原形 If it were to snow this evening, they would not go out.,rainforests give us wood ,food,fruit,medicine,and many more useful things . wood 木，木头，木材，木料 不可数 树林，林地 可数 多音节词的比较级 more+多音节词 常见的多音节词 friendly interesting important different dangerrous popular delicious useful beautiful,We need rainforests for many reasons. But now ,rainforests are becoming smaller and smaller ,so we should protect them. 形容词的比较级+and+形容词的比较级 越来越. bigger and bigger smaller and smaller stronger and stronger more and more populau /useful,Listen to 1a and complete the table. Then check with your partner.,hot,wet,dark,hot,6%,surface,plants,animals,fresher,cleaner,hold,cycling,climate,nature,wood,food,medicine,1b,录音1a-P85,There were _ animals in the forest many years ago. A. thousand of B. thousands of C. three thousand of D. three thousands of Many animals are in danger. We must do something to p_ them.,They couldnt find _ to eat ,and had to eat the leaves in the tree. A something else B else something C anything else D else anything,You can write like this :,Example :,Rainforests are very important to us. It is necessary for us to protect them very well. First, we should make people know about the importance of protecting them. Then ask people not to cut dow