and answer the Listen to the video。Unit2 What a large population Topic 2 Section B学习目标。继续学习现在完成时。学习数字的表达法。提高对人口问题的。
2课件仁爱版Tag内容描述：
1、POLLUTION CAUSES TOO MANY PROBLEMS.Listen to the video, and answer the Listen to the video, and answer the following que。
2、Unit2 What a large population Topic 2 Section B学习目标：学习目标：1.继续学习现在完成时。继续学习现在完成时。2.学习数字的表达法。学习数字的表达法。3.提高对人口问题的认识。提高对人口问题的。
3、Bluer12The sky in the countryside is bluer than that in the city.clearer12The . in the countryside is than that in the c。
4、 Unit 4 Magical Science Topic 3 We will live in space one day. Section C What do you want to What do you want to be when。