Here are eight tips on how to save water, electricity and paper at home.
a. Turn off lights in your house when you don't need them.
b. Turn off computers and TVs when you are not using them.
c. In cold weather, don't turn on a heater. Wear warm clothes instead.
d. Don't leave the water running while you are brushing your teeth.
e. Don't fill your coffee pot with too much water. Only boil as much water as you need. 
f. Take a shorter shower. Stay under the shower for just three minutes. 
g. Let hot food cool down before you put it into the fridge. 
h. Use both sides of every piece of paper.
根据句子的意思，从短文中找出相应的单词并写线上。
1. You turn them on when it is dark to help you see. ____________
2. You turn it on and it keeps you warm. ____________
3. You can keep food cold in it. ____________
4. You can boil water in it. ____________
5. You stand under it to wash yourself. ____________

        American children love watching TV. Some of them spend six hours a day at school and four to six hours
a day in front of the television set. Some of them even watch for eight hours or more on Sundays.       
        Televisions are like books or films. A child can learn bad things and good things from TV. Some shows 
help children learn to do a lot of housework, just like gardening, cooking and cleaning. But some programs are 
not good for children. So parents must help them to choose the right ones to enjoy.
(     ) 1. Some American children spend about eight hours on TV in their holidays 
(     ) 2. Children can't learn anything from TV. 
(     ) 3. Some programs help children learn how to make delicious food. 
(     ) 4. Children need parents' help to choose good programs. 
(     ) 5. All the TV shows are good for children.

      Many children love watching TV in their spare time. Some of them spend six hours a day in front of the
television set. Some of them even watch for eight hours or more on Sundays. A child can learn bad things and
good things from TV. Some shows (节目) help children learn to do a lot of housework, like gardening, cooking
and cleaning. But some programmes are not good for children. So parents must help them choose the right
ones to enjoy.

根据短文内容，从A，B，C，D四个选项中选出恰当的一项完成下列各题。

1. What do children like to do in their spare time?

A. Draw TV.
B. Buy TV.
C. Send TV.
D. Watch TV.

2. How many hours do children spend at school?

A. About four hours.
B. About six hours.
C. About seven hours.
D. About eight hours.

3. Which of the following is true?

A. All the children spend eight hours on TV every day.
B. Children can't learn anything from TV.
C. Children can only learn good things from TV.
D. A child can learn bad things and good things from TV.

根据短文内容填空（每空一词）。
4. Some shows help children learn to do some ______________.
5. Parents should ______________ children choose good programmes to watch.

A. are 
B. does
C. do            
D. is