Mr. Smith is from England. He teaches French in our school. His English classes are very interesting. He likes us and we like him.
Mr. Smith has two children--Tom and Mary. Tom is seven and his sister Mary is four. Tom goes to school but Mary doesn't. Mr. Smith likes to wear a T-shirt and jeans. Football is his favorite sport. After school we often have a basketball game. Sometimes Mr. Smith watches and plays basketball with us. He plays basketball just for fun .

一人站在电梯上随电梯一起匀速上升，如图所示，人受到的力有　____ 　．

给下面的图形分类，并把分类结果整理到表格中。

方法一

方法二

阅读下面这首宋词，然后回答问题。

卜算子 五月八日夜凤凰亭纳凉

叶梦得

新月挂林梢，暗水鸣枯沼。时见疏星落画檐，几点流萤小。

归意已无多，故^①作连环绕。欲寄新声问采菱^②，水阔烟波渺。

【注】①故：依旧，仍然。②采菱，采菱女，代指歌女。