仁愛八上Unit4Topic1SectionC公開課

1、授課教師：李阿妹授課教師：李阿妹 a good beginning is half done.良好的開端是成功良好的開端是成功的一半。的一半。citycountrysiderainforestsnew wordsvrainforest n. （熱（熱 帶）雨林帶）雨林vforest n. 森林森林vcover v. 覆蓋，遮蓋；覆蓋，遮蓋；掩蓋掩蓋 n.蓋子；罩蓋子；罩vearth n. 地球；土，泥；地球；土，泥；大地大地von earth 在地球在地球上，在世界上；上，在世界上；（加強疑問句的語氣）到（加強疑問句的語氣）到底，究竟底，究竟vsurface n. 表面表面vthousands

2、 of 成千上萬，成千上萬， 幾千幾千vdark adj. 黑暗的；黑暗的； 暗淡的；深色的暗淡的；深色的 n.黑暗；暗處；日暮黑暗；暗處；日暮vcontrol v.& n. 控制控制vclimate n. 氣候氣候vwood n. 木頭，木材；木頭，木材； （pl)樹木，森林樹木，森林vrubber n. 橡膠；橡膠； 合成橡膠合成橡膠vprotect v. 保護保護vmain adj. 主要的主要的vfact n. 事實，現(xiàn)實事實，現(xiàn)實vin fact 實際上，事實上實際上，事實上vmake up 組成；化妝；組成；化妝； 和解和解vlake n. 湖湖vsea n. 海，海洋海，

3、海洋vocean n. 海洋海洋drop n. 滴滴 v. 掉下，掉下， 落下；投遞；放棄落下；投遞；放棄 hole n. 洞，坑fill v.使充滿，裝滿；使充滿，裝滿； 填空填空fill with用用填填 滿滿dig v.挖（洞、溝挖（洞、溝 等）；掘等）；掘deep adj.深的；厚深的；厚 的；寬的的；寬的everything pron.每件每件 事，事事事，事事listen to the tape and mark t or f according to 1a ( )1.rainforests cover half of the earths surface.( )2.we can

4、see everything clearly in the forests.( )3.rainforests can give us many useful things.( )4.in rainforests all the animals live on the ground.( )5.without rainforests, the environment would become quite terrible.fftfthalfrainforests in the worldrainforests cover rainforests cover 6%6% of the of the e

5、arthearths surface.s surface.2. 6%讀作讀作 six percent1.cover=spread over “覆蓋覆蓋” language pointsthousands and thousands ofthousands and thousands of animals animals live in forests. many of them livelive in forests. many of them live in in the treesthe trees overover 30 meters from the 30 meters from th

6、e ground.ground.3.thousands of 成千上萬的（數(shù)以千計的）成千上萬的（數(shù)以千計的）類似的表達方式：類似的表達方式： hundreds of 成百上千的（數(shù)以百計的）成百上千的（數(shù)以百計的） millions of 數(shù)以百萬計的數(shù)以百萬計的注意：表達具體數(shù)字時不可使用注意：表達具體數(shù)字時不可使用s形式。形式。如：兩百本書如：兩百本書 two hundred books 用復數(shù)形式時常跟用復數(shù)形式時常跟of如：數(shù)百本書如：數(shù)百本書 hundreds of books4.in the tree 在樹上（除樹本身之外的人或物）在樹上（除樹本身之外的人或物） on the t

7、ree 在樹上（樹本身所具有的東西）在樹上（樹本身所具有的東西） 5.over = more than 多于，超過多于，超過language pointsthere are lots of tall trees and thousands of other different plants. its always dark and hot in rainforests and the ground is always wet.rainforests are very important to us. they are the lungs of the earth. the plants in

8、the forests help to make the air fresher. they also help to control the climate.rainforests give us wood, rubber, fruit, medicine and so on. we need them so much.but,now, rainforests are becoming smaller and smaller, so we should protect them. 8.smaller and smaller 越來越小越來越小 比較級比較級+and+比較級比較級 越來越越來越注

9、意：多音節(jié)形容詞在表示注意：多音節(jié)形容詞在表示“越來越越來越”時，常用時，常用結構是：結構是：more and more +形容詞原形形容詞原形如：越來越漂亮如：越來越漂亮 more and more beautiful7.wood “木頭，木材木頭，木材 ” 不可數(shù)名詞不可數(shù)名詞 “樹林樹林 ” 可數(shù)名詞可數(shù)名詞 we walk in the woods after supper.飯后我們在樹林里散步。飯后我們在樹林里散步。language points1b listen to 1a again and finish the following tasks.1.what does “cove

10、r” mean in this passage?( ) a. set up b. spread over c. have d. form2. we cant 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?bd3. why are rainforests “

11、the lungs of the earth”? because the plants in the rainforests help to make the air fresher. they also help to control the climate.4.whats the main idea of the passage?rainforests are very important to us.the importance of rainforests1c group workthe importance of rainforests:1. make the air fresher

12、2. help to control the climate3. give us wood, rubber, fruit, medicine and so on4.save water5.prevent the water from washing the earth away 6.give animals a good environment2b complete the passage. water is _ to all living water is _ to all living things. all _ and _ things. all _ and _ need water.

13、_ also need need water. _ also need water to drink, to cook and _ water to drink, to cook and _ _ . _ water, there _ . _ water, there could be no life on earth, so we could be no life on earth, so we must save water.must save water.important plantsanimalshumans tocleanwithout most plants need lots o

14、f water. water is necessary for all plants. all animals need plenty of water. they cant live at all without water. humans need water to drink, to cook and to clean. in fact, water makes up the largest part of the human body. water covers most parts of the earth. it is in lakes, rivers, seas and ocea

15、ns. it is important to all living things. we must save every drop of water.2a read and understand對對是必要的是必要的組成組成3 work alone spring is warm. its the best season to plant trees. but how to plant a tree? do you know?vfirst, dig a hole in the earth, and make sure the hole is deep enough for a tree.vthen

16、, put the tree in the hole, and keep it straight.vafter that, fill the hole with earth, then make the earth hard with your feet. finally, water the tree. if everything is ok, the tree will grow new leaves a few days later.when you 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 ea