1. All the waste paper will be taken to special factories for ____________（循环利用）.
2. He wanted to be ____________（富有的）without hard work. It was impossible.
3. These new types of energy cost very little and ____________（产生）little pollution.
4. Mrs Wang is thinking about how to ____________（惩罚）her son, for he lied to her.
5. It is a good habit to ____________（分开）waste into different groups.
6. You will be ____________（罚款）by the police if you park your car here.

1. recycling 2. rich 3. produce 4. punish 5. separate 6. fined

（ ）1. — Sir, I’m afraid you cannot take photos here.
— Sorry. I didn’t know taking photos isn’t _______ here.
A. achieved B. avoided C. allowed D. accepted
（ ）2. The energy from the sun, wind and water _______ little.
A. pays B. costs C. takes D. spends
（ ）3. Things _______ potato chips are not good for us, but many people _______ them.
A. is like; like B. are like; like C. like; like D. like; are like
（ ）4. _______ students are doing their homework, _______ are reading, and _______ are having a rest.
A. Some; some; some B. Some; some; other
C. Some; some; others D. Some; other; others
（ ）5. We have _______ of ideas. Maybe we should ask our teacher for help.
A. run out B. put out C. turned out D. come out
（ ）6. — The air in our city will be much cleaner if fewer people drive cars.
— _______. But the problem is that people depend too much on cars.
A. That’s your idea B. You’ve got the point
C. I can’t agree D. It makes no sense

1 - 6 CBCCAB

1. My parents are used to ____________（work）hard all day.
2. We should do what we can ____________（keep）our classroom clean and tidy.
3. The problem ____________（discuss）at the meeting tomorrow.
4. He won’t get there on time if he ____________（not leave）earlier tomorrow.
5. — I phoned you at six last night, but no one answered.
— I ____________（have）a walk in the park at that time.
6. The house prices are lower, but they still ____________（not sell）well at present.

1. working 2. to keep 3. will be discussed 4. doesn't leave 5. was having 6. don't sell

1. 没有政府的批准，人们不允许砍伐树木。
People ______________________________ the permission of the government.
2. 有法律限制空气污染吗？
Are there any laws ______________________________?
3. 众所周知，风能几乎不产生污染。
As we all know, the wind energy ______________________________.
4. 我们不可以那样做，否则我们会受到惩罚的。
We can’t do that, ______________________________.
5. 在体育课上，孩子们被分成三个小组来玩游戏。
The children ______________________________ play games in the PE class.

1. are not allowed to cut down trees without 2. to limit air pollution 3. produces little pollution 4. otherwise we will be punished 5. were separated into three groups to