一. 教学内容：
Unit 7 Know Our World Lesson 49~ Lesson 52
1. 单词和短语
n. geography population Asia Japan Japanese village town India world continent land Europe America Antarctica ocean Pacific the Pacific Ocean Atlantic the Atlantic Ocean Indian the Indian Ocean the Arctic Ocean earth surface island Greenland northeast Nile river square kilometre area Russian feature mountain mount Everest
Himalayas the Yangtze River Tokyo coast Russia
v. care take care of agree
adj. Arctic geographical
adv. ever abroad
