一 How terrible it is!
—I have trouble learning English.
—On the playground.
There books in my schoolbag.
You may know several kinds of police, traffic police and street police. But have you ever heard of energy-saving (节能) police?
A group of 22 new policemen went to work in Beijing. They went around the city to see the use of energy in hotels, office buildings, shopping centres and other public places. One of their aims is to make sure that these places have set their air conditioners (空调) no cooler than 26℃.
They also set up a special phone hotline so that people can tell them which building doesn't follow the rule.
"If everyone sets the air conditioner at 26℃, Beijing will save 400 million kilowatt-hours of electricity in one summer. That's one third of all the usage of the city in the season, said an advertisement."
A show was held in Beijing last week on energy-saving technology (技术) and productions to introduce a green life to the public. Environmentally—friendly machines, like a machine that helps collect used bottles, have attracted lots of attention.
"We want to tell people that there are some ways to protect the environment. Each of us can find effective (有效的) ways to do it in our daily life," said Liu Qianguang, an environmental engineer.
—One is enough.
Earth Day is coming. Are there any activities on (protect) the Earth in your school? Well, in our school, we have such an activity (one) a month. For example, we want (plant) trees in the forest this month. We all know trees are very important our daily lives. They provide lots of (thing) for us. The forest is about two (kilometre) away, so we will walk there. There five groups of students and each group needs to plant thirty (tree). After that, we will take some (photo) there. I'm sure we will have nice day.
people know what his real name is.
trees on the mountain.
—It gives us lots of chances to know about the world.
—She always ________ her purse, but she can't ________ it.
As we know, life today has many problems. One of the biggest is 1, such as water pollution, air pollution, 2 pollution and so on. Water pollution makes our rivers and lakes 3. It kills fish and pollutes our drinking water. Air pollution is the most serious kind of pollution. 4 bad for living things in the world. Noise pollution 5 us talk louder and become angry 6.
The Earth is 7 home and we must save it. We can't 8 rubbish here and there. We should go to work and school 9 bus or with our friends in the same car. Everybody 10 save the Earth.
—That's true. I can't imagine (想象) what our life will be like without them.
—Of course.
