some salt a glass of water.

It .

Our class is  56 students.

    There are too many cities around the world. And each city needs water in many ways. Water on the Earth falls mainly as rain. So the rainfall（降雨量）is important to each part of the world. And it is different from one city to another. The following chart shows the average(平均的）rainfall in four different cities in July and January.

提示：1）买草莓，最好是自己刚摘的新鲜草莓；

2）把草莓洗干净；

3）在草莓里放糖；

4）加热大约半小时。