1. Look at the pictures on P62 and answer the following questions:
1). How many lights does the boy turn on ?
2). Does he need four lights ?
3). So what must we not do to save electricity?
4). What did the owner forget ?
5). So what must we do to save electricity?
6). What did he forget ?
7). So what must we not do to save electricity?
8). What did the owner forget when he used the air conditioner?
9). So what must we do to save electricity?
2. 根据以上问题回答的内容补充以下portant and useful in our daily life, so we must make some rules to save it. First,____________________________________________________________________________________________________________________________________________________________________________________________________________________________All in all , we don’t need to do big things , we can just start out small . Let’s do our best to save electricity from now on !