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Two weeks ago, two walls in Brazil broke. An iron mine(铁矿) built the walls. The iron mine uses it to keep water. A lot of orange mud is now going to the sea. There is as much mud as there is water in 25,000 Olympic swimming pools(游泳池).

The government of Brazil says it is a big problem. The iron mine says that the mud is OK, but experts say that it is not OK. The government told the iron mine to pay 44,000 pounds (66,500 dollars). Some people think that it is not enough, so they go to the street to ask for more.

1.Two walls broke in Brazil two _______ ago.

A hours

B days

C weeks

D months

解析：选C。细节理解题。根据第一段第一句Two weeks ago, two walls in Brazil broke.可知，故选C。

2.What colour is the mud?

A Red.

B Blue.

C Black.

D Orange.

解析：选D。细节理解题。根据第一段第四句A lot of orange mud is now washing into the sea.可知，故选D。

3.The iron mine has to pay ______.

A 44,000 pounds

B 44,000 dollars

C 66,500 pounds

D 66,550 dollars

解析：选A。细节理解题。根据第二段第三句The government told the iron mine to pay 44,000 pounds (66,500 dollars).可知，故选A。

4.People go to street because they think the money is ______ .

A too much

B enough

C too many

D not enough

解析：选D。推理判断题。人们走到街上游行示威肯定是对政府要求的补偿不满意，他们求的更多，故选D。

5.They built the walls to keep ______ .

A fish

B water

C land

D food

解析：选B。细节理解题。根据第一段第三句The iron mine uses it to keep water.可知，故选B。