:Unit 4 Life on Mars 第一课时 Comic strip & Welcome to the unit 基础知识回顾 Ⅰ.根据首字母及汉语提示补全单词 1.My father bought me a sleeping (供睡觉的) bag for the school camping. 2.You had better wear a helmet (头盔) when riding a motorcycle. 3.I have some questions about gravity (引力) to ask you. 4.When I go camping,I sleep in a tent (帐篷). 5.Perhaps there would be less pollution (污染) on other planets. Ⅱ.按要求完成句子,每空一词 1.Jack would have to eat dried food on Mars.(对画线部分提问) What would Jack have to eat on Mars? 2.The children will be cared for by robots.(改为同义句) The children will be taken care of by robots. 3.Money will not be important in the future.(改为同义句) Money will be unimportant in the future. 4.Watching a funny movie can make people feel happy.(改为被动句) People can be made to feel happy by watching a funny movie. 5.They have to give this machine some oil every month.(对画线部分提问) How often do they have to give this mach
