1、 C Story Time P41Entertainment 娱乐娱乐CityShoppingTransportation 交通交通Haha！I saw many,too!Zoom and Zip went to the science museum last weekend.B.Change of humansD.Change of birdsE.Change of buildingsF.Change of whalesRead and chooseRead and chooseC.Change of cookingA.Change of the earthScience&Life Exhi
2、bitionc ca av ve emma an nc ca av ve emma an n Cavemen often ate raw meat.They didnt cook their food.raw rawraw A:A:生的生的 B:B:熟的熟的Oh,cavemen didnt cook their meat?Its OK.They didnt do the dishes either!也不用洗餐也不用洗餐具具 Now there are many things to help you cook.Task 3:Watch and say（说说烹饪的变化）Cavemen often
3、ate raw meat.They didnt cook their food.Now there are many things to help you cook.Now there are many things to help you cook.pan 锅锅gas cooker 煤煤气灶气灶 rice cooker 电饭锅电饭锅 oven 烤箱烤箱 In 2050,there will be house robots.They will cook,clean and wash the dishes.house robothouse robot In 2050 In 2050（In the
4、 futureIn the future）Change of cooking BeforeBeforeNowNowScience&Life ExhibitionEarth&Life ExhibitionRead and underlineRead and underline（划出描述地球（划出描述地球before/now/futurebefore/now/future的关键词句）的关键词句）There were many trees,and there were many clean rivers.Now,there are more and more buildings.We should
5、help the earth now,so birds will have homes and forests will be healthy and green again.Look!How beautiful the world was!Change of Change of Change of the earth Change of whalesRead and underlineRead and underline（划出描述地球（划出描述地球before/now/futurebefore/now/future的关键词句）的关键词句）There were many trees,and t
6、here were many clean rivers.Now,there are more and more buildings.We should help the earth now,so birds will have homes and forests will be healthy and green again.Change of Change of Change of the earth Change of whalesOh,no!My homes!Read and underlineRead and underline（划出描述地球（划出描述地球before/now/futu
7、rebefore/now/future的关键词句）的关键词句）There were many trees,and there were many clean rivers.Now,there are more and more buildings.We should help the earth now,so birds will have homes and forests will be healthy and green again.Change of the earthBeforeBeforeNowNowIn the futureIn the futureRetellRetell（根据
8、（根据支架支架复述地球变化过程）复述地球变化过程）There were _,and there were _.Now,there are _.We should_ _ _ _,so birds will _ _ and forests will be _ _ again.Read and thinkRead and thinkBefore humans lived on the earth,whales already lived in the sea.Now,there are not many whales.If we change now,whales and humans will h
9、ave a bright future.Read and thinkRead and thinkBefore humans lived on the earth,whales already lived in the sea.Before humans lived on the earth,whales already lived in the sea.Whales.在在以前以前已经已经科普知识：科普知识：whaleswhales50005000万万年前出现年前出现humanshumans500500万万年前出现年前出现Read and thinkRead and thinkBefore hu
10、mans lived on the earth,whales already lived in the sea.Now,there are not many whales.No,there are not many whales now.Read and thinkRead and thinkBefore humans lived on the earth,whales already lived in the sea.Now,there are not many whales.Humans!Read and thinkRead and thinkRead and thinkRead and
11、thinkIf we change now,whales and humans will have a bright future.Heal the world！拯救拯救世界吧！世界吧！Make it a better place！让它变得让它变得更美好更美好！Do you have any suggestions?你有什么好建议吗？ride a bike or go on foot （if not far）sort wastestop cutting trees and killing wild（野（野生）生）animalsplant more and more trees turn off
12、 the lights and taps （when you leave）Before,the sky was blue,and we went on foot.Now,there are so many cars.If we change,the sky will be blue in the future.We should go on foot or by bike if not far.Before,rivers were clean.There were many fishes in the rivers.Now they are dirty and black.If we change,rivers will be clean and beautiful again.We shouldnt throw garbage into the rivers.Make Make a a posterposter（让我们来制作保护地球的宣传海报吧！（让我们来制作保护地球的宣传海报吧！）Homework
