(
课件网) The Earth 12 Module 4 The natural world Period 1 (P80-P81) trousers driver Review trip train drink drop dream drag triangle dress trunk drama trust trot dragon try truck drive drill draft traffic /tr/ /dr/ Let’s say We get wood from trees. We use wood to make ... The Earth is our home. Let’s learn Earth / θ/ Do you know anything about the Earth Do you want to know about the Earth Look and learn The Earth is a beautiful place. There are rivers, oceans, land and forests. Look and learn What are the brown parts The brown parts are land. land /l nd/ Extension 地球表面未被海水淹没的部分称为陆地。包括大陆和岛屿。 大陆占地球表面积的29.2%。 面积广大的陆地称大陆，全球有亚欧大陆、非洲大陆、北美洲大陆、南美洲大陆、澳大利亚大陆和南极洲大陆等六块。 land Look and learn What are the blue parts The blue parts are oceans. ocean / n/ Extension 海洋，是地球上最广阔的水体的总称。 地球表面被各大陆地分隔为彼此相通的广大水域称为海洋。 海洋覆盖了地球表面超70%的面积，是天气和气候的主要驱动力。 ocean Look and learn How about the green parts The green parts are forests. forest / f r st/ Extension 森林，是以木本植物为主体的生物群落。 森林具有丰富的物种、复杂的结构、多种多样的功能，被誉为“地球之肺”。 近年来全球森林的恢复速率仍低于损毁速率。 forest Look and learn Earth forest land ocean 地球 __rth f_r_st 陆地 海洋 l_nd forest ocean land Earth Great! Look, read and spell. Practise Predict Look at this picture. What is it What are Ms Guo and students talking about Listen and fill in the blanks They are talking about the Earth. Look at this picture. What is it It’s the _____. The green and brown parts are _____ and _____. What are the _____ I think they’re _____. Yes, they are. Ms Guo: Kitty: Ms Guo: Joe: Ms Guo: Earth forests land blue parts oceans Listen and say Look at this picture. What is it It’s the Earth. The green and brown parts are forests and land. What are the blue parts I think they’re oceans. Yes, they are. Ms Guo: Kitty: Ms Guo: Joe: Ms Guo: How was the Earth in the past Watch and answer How is the Earth now What should we stop doing Watch the video How was the Earth in the past Check the answers How is the Earth now It was very clean and beautiful in the past. Some parts are dirty now. Check the answers What should we stop doing We should stop throwing rubbish into rivers. We should stop cutting down so many trees. We should stop using plastic bags. throw rubbish into rivers rubbish / r b / We should stop throwing rubbish into rivers. cut down so many trees so many 这么多 We should stop cutting down so many trees. Trees are important to us. Trees can ... use plastic bags plastic bag 塑料袋 We should stop using plastic bags. / pl st k/ 塑料制品不容易被腐蚀，也不容易被降解，对环境有害。 Language points We should stop cutting down so many trees. 此句型用于表达我们应该停止做某事。 句型结构： We should stop + 动词-ing形式（+其他）. should是情态动词，意为“应该”，与动词原形搭配使用。 stop在此处 ... ...
