（1）如图1所示，请根据平面镜成像特点画出AB在平面镜中的像．

（2）为了使轻质杠杆AB在如图2所示位置静止，请你在杠杆上画出所施加最小力F₁的示意图．

①农田灌溉为滴灌    ②重复循环用水，用洗脸水来冲厕所

③节约用水    ④随手关水龙头    ⑤农田灌溉为漫灌

读我国人口密度分布图，回答下列问题

根据短文内容完成下列各题

    Today l would like to tell you about my dream．

    My dream is a simple but great one．It is to be a teacher．①我从小就梦想做一名老师!②First of all，it is a pleasure for me to be with children．They make me feel ③ happy and young．Furthermore，teachers play an important part in the development of children．They teach children and show them how to be good．When children grow up，they use the knowledge that they have learned to develop their motherland and make it beautiful. I think teaching is one of the ④    (value) things in the world．

    That’s all．Thank you !