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1、Unit 4 Topic 1Section C2. 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, w
2、ater is very important _ us. A. of B. toC. onD. withRainforestsRainforests 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
3、 they provided some clothes _ us .A with;with B for;for C with;for D for;withIt 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.1.Rainforests Rainforests covercover 6% of the earths 6% of the
4、earths surface surface. .six percentsix percent数词数词 % +可数名词复数可数名词复数可数名词单数可数名词单数 / 不可数名词不可数名词 Eg: 50% of the students in our class are boys. 70% of the earth is water.therearelotsoftalltreesandotherdifferentkindofplants,thousandsandthousandsofanimalsliveinrainforests.Manyofthemliveinthetreesover30met
5、ersfromtheground. 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
6、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 impor
7、tant part in sth 在某事上扮演着重要的角色 =play an important part in doing sth control controlled controllingRainforests 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
8、 English. 如果我是你，我就学英语了。May you succeed! 祝您成功！die outdie 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Ifmybrotherwerehere,everythingwouldbeallright.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Ifyouhadtakenmyadvice，youwouldnt(couldnt)havefailedintheexam.与将来事实相反:从句:动词过去
9、式，should+动词原形，主句:wereto+动词原形would/should/could/might+动词原形Ifitweretosnowthisevening,theywouldnotgoout.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
10、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 /usefulListen to 1a and complete the table. Then check wit
11、h your partner.Feature of rainforests1.in the _ parts of the world2._ ground and always _ and _ in them3.cover _ of the earths _ 4.give a home to many beautiful _ and _Importance of rainforests1.make the air _ and _ 2._ the water and keep the water_3. control the _ 4. keep the beauty of _ 5. give us
12、 _, _, fruit, _ and so onhotwetdarkhot6%surfaceplantsanimalsfreshercleanerholdcycling climate naturewoodfoodmedicine1b录音录音1a-P85Therewere_animalsintheforestmanyyearsago.A.thousandofB.thousandsofC.threethousandofD.threethousandsofManyanimalsareindanger.Wemustdosomethingtop_them.nThey couldnt find _ t
13、o eat ,and had to eat the leaves in the tree.nA something elsenB else something nC anything elsenD else anything You can write like this : 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 down the trees without plans. For us, we should do something as possible as we can. When we have meals, we mustnt use chopsticks for only once. In the life, use less paper and be sure not to waste it.
