1、Module 3Unit 2We have not found life on any other planets yet.ReviewRead the words and expressions loudly.单词回顾学生早读时已预习过本单元单词，可利用几分钟时间带学生快速回顾温习。对单词的熟练度越高，阅读的速率也越高。noneenvironmentthatsolarpron. 没有一人；没有一个；一点儿也没有n. 环境pron. 那；那个（指代已被提及的事物）adj. 太阳的；与太阳有关的Words and expressionssystem solar systemgroupgalaxy
2、universen. 系统；体系星系；（尤指）太阳系n. 群；组n. 星系n. 宇宙Words and expressionslightimpossibleoutcommunicaten. 光；光线；光亮adj. （事情）办不到的，不可能的adv. 在远方v. 联系；交流Words and expressionsDo you know the words and expressions in the box? Put them in order: small large.galaxy planet solar system star universeplanet star solar system galaxy universeHow much do you know about the solar system?How many planets are there in the solar system? Do you know how to say their names in English?金星地球火星 木星土星水星天王星 冥王星海王星
