unit 1 life on mars
一. 重点单词
1.pill n药片( small round medicines) in the form of pills
medicine n 药 take the/some medicine 服药 make medicine 制药
2.guitar n. play the guitar/ violin/piano …
play football/basketball/volleyball …
play chinese chess/ play cards
3.sunglass n. wear a pair of sunglasses
glass n杯子，可数名词 two glasses of water 玻璃。不可数名词 a piece of glass
4.polluted adj. a polluted river pollute v. don’t pollute the river pollution n. 不可数名词water /air /noise pollution
5.develop v. grow and improve how has it developed?
developing adj. 发展中的 china is a developing country
developed adj. 发达的 america is a develop
Unit 7 The Rewards of Kindness