Although 75% of the surface of the Earth is covered with water, most of the water on the Earth is in the oceans. So only 3% of water on the Earth can be used as drinkingwater. A person can live without food for more than a month,
but a person can only live without water for about one week.
Water is getting less and less, and it becomes more and more important. It’s time for us to save water.
53. Next, make ice cubes out of the different kinds of fruit juice. make ? out of ? “用??来制作??” We can make many things out of bamboo. 我们可以用竹子做很多东西。
Children usually make lanterns out of pumpkins. 孩子们通常用南瓜来做灯笼。
54. pour?into? “将?? 倒入??中”
I’ve poured coffee into ypur cup by mistake. 我错把咖啡倒在你的杯子里了。 add ? to? “将?? 加入??中” Please add some salt to the soup.
Add the ice cubes to the lemonnade, please.
55. The iced fruit punch is ready. 冰镇水果宾治就做好了。 be ready Dinner is ready. 晚饭准备好了。 Are you ready? 你（们）准备好了吗？
be ready for = get ready for = prepare for 为??做准备 The students are getting ready for the exam. be ready to do sth. = get ready to do sth. 准备做某事； 乐意做某事
Are you getting ready to run? 你们准备好跑步了吗？
Peter is a model student. He is always ready to help others.
Peter是个模范学生，他总是乐于助人。
56. freeze–froze–frozen -freezing Water freezes at 0°c. （v. 结冰）
Don’t eat too much frozen food. （adj. 冰冻的）
We can’t go out in such freezing weather. （adj. 极寒冷的）
The three forms of water
Suggested questions:
用心 爱心 专心 16
1. 2.
What are the three forms of water? What will happen if we change the forms?
We all know that there are three forms of water in our lives. They are water, ice and steam. When water
freezes, it turns into ice. When ice melts, it turns into water again. If we boil water, it will turn into steam. However, when steam cools down, it turns into water again. Water in our lives is very important. And the drinking water on the Earth is getting less and less. So we mustn’t waste water.
57. No diving. (标志用语) = Diving is not allowed. = People mustn’t dive. = Don’t dive.
No ball games. (Ball games are not allowed. / Popple mustn’t play ball
games./ Don’t play ball games.)
No U-turn! 禁止调头。
No parking here! 此处禁止停车。
58. Fishing is not allowed.= You mustn’t fish.
Mother allowed me to play computer games for a while. Swimming is not allowed at this beach. = You mustn’t swim at this beach.
You are not allowed to park your car here.
用心 爱心 专心 17