根据句意及首字母提示完成单词
1. Everyone should obey the l___________.If you break it，you'll be punished.
2. Some tourists throw l___________ here and there. This will pollute the environment.
3. There was some juice left in the b__________ of the glass.
4. Reading has many a__________. For example，it can make you wise.
5. The tourist i__________ is developing rapidly in China. More and more tourists go to different places of interest.

用括号内所给单词的适当形式填空
6. We should solve the problem in a __________（science）way.
7. Smoking is very __________（harm）to our health.
8. The __________（wood）buildings look very nice.
9. I can't afford __________（buy）a new car.
10. These __________（fishman）make a living by catching and selling fish.

11. What ____ ugly painting! I can't believe it is the master's work.

A．a

B．an

C．/

12. —The T-shirt looks nice on you! How much does it ________?
—I just _________ ten dollars for it.

A．take; afforded	B．cost; paid
C．cost; spent	D．spent; took

13. Around the world, more and more people are _________ dangerous sports activities, because life in modern societies has become safe and boring.

A．taking out

B．taking off

C．taking part in

D．taking care of

14. Please __________ the TV before you go to bed.

A．turn on

B．turn off

C．turn up

D．turn down

15. ─Have you ever __________ Daming who was called“Tiedan”before？ ─No. Never.

A．hear about

B．hear

C．heard from

D．heard of

根据汉语意思完成句子
16. 玩电脑游戏太多对孩子有害。
Playing computer games too much __________ __________ to children.
17. 条条大路通罗马。
All roads __________ __________Rome.
18. 到目前为止，在环境方面我们看到了许多好的变化。
__________ __________，we __________ __________many good changes in the environment.
19. 你遇到危险时是谁帮你摆脱了困境？我们应该给他们写封感谢信。
Who __________ you __________ when you were in danger？We should write a thank-you note to them.
20. 每个人都应该采取行动来保护我们的环境。
Everyone should __________ __________to protect our environment.

How did we help to save our earth this week？Let me tell you.

First，my family tried to save electricity. We never left the lights on when     21     the rooms. We turned off the TV when nobody was watching it. Mum only used cold water in the washing machine.

Second，we started recycling this week. We tried to write on both s     22     of our paper，not just on one side. We also divided our rubbish into d     23     bags for bottles，paper and food. Mum kept the plastic shopping bags from the supermarket to use them again a     24     rubbish bags.

Third，my family started to save water. We stopped taking long baths and took short showers i    25    .We washed the toilet with     26    （use）water. Mum and dad used less water to do the washing. My sister and I didn't leave the water     27    （run）when we brushed our     28    （tooth）.

At last，mum and dad began to save gas（汽油）. Mum used to d    29     us to school，but now my sister and I started riding our bikes to school. It's hard work     30     good exercise！This week dad and a few of the people in his company also started to go to work in one car and share the cost.

These are great ways to help save our environment.