《Unit 1 Life on Mars Reading 3》
课前预习——英汉互译并练习朗读
占据 四分之一 两者之一
水平 服务
课堂活动1—— it做代词
例句1：I like this dress. It is green.
总结：it可用于指代前文中的__________或_________。
例句2：The baby is only 18-month-old. It is very lovely.
总结：it可用于指代_________________。
例句3：Who are you chatting with on the Internet? It’s my deskmate.
总结：it可用于指代_________________。
例句4：Playing badminton is good for our health. It is e xciting.
例句 5：We will have a school trip this Friday. It will be over at 3 p.m.
总结：it可用于指代__________或___________。
