A:小明今年长高了
B:放在空气中的铁器过一段时间生锈了
C:在一杯白开水中放入一些糖,不久整杯水都变甜了
D:飞驰的赛车
阅读并回答问题:传说当年西楚霸王项羽行军至乌江,天色已晚,只见岸边沙滩上有几个由蚂蚁围成的大字“霸王死于此”.项羽心想:这是天意,遂大喊一声:“天绝我也!”即拔剑自刎.其实“霸王死于此”几个字是刘邦手上的军师用蜜糖写成的.项羽不知是计,中计身亡.
My favourite sport
My favourite sport is basketball, because basketball can make me strong and happy. It can also help me make more friends and learn teamwork.
I enjoy playing basketball with my friends. Kobe Bryant is my favorite player. I wish I can play basketball with Kobe Bryant one day.
Fishing is my favourite sport. I like fishing but I hardly get any fish. I'm not really interested in fishing. I am only interested in sitting in a boat and doing nothing at all. Anyway I think fishing can make me feel very relaxed and comfortable.
I like swimming because I think it's a funny and easy sport. And swimming is more popular than running. Swimming is good for my health. It can help me keep fit. I joined the swimming club last term. I hope to swim very fast and beautifully. I want to keep my body in a good shape.
I enjoy jogging with my friends Tommy and Betty. In the early mornings, we often go jogging in the park. Then we are ready for school. At weekends, we sometimes go jogging in the countryside. The more I go jogging, the healthier I will feel.
在设计对照实验时,我们应注意的问题是