There was a big wall in southeast Brazil. They built the wall to stop water. But some days ago, the wall broke. The water from behind the wall all went out. It killed about 15 people and more than 45 people are still missing.

People said a big mining company(煤矿公司) built the wall. There were a lot of dirty things when workers worked in the mining company. So they built the wall to keep water and clean the dirty things. When it broke, the water went over two villages. About 600 people had to leave their homes. People still don’t know why the wall broke.

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1.How many people died when the wall broke?

A 15

B 25

C 35

D 45

解析：选A。细节理解题。根据第一段最后一句It killed about 15 people…可知，故选A。

2.The mining company is in _____.

A China

B England

C Brazil

D Canada

解析：选C。细节理解题。根据第一段第一句There was a big wall in southeast Brazil.可知，故选C。

3.What made the wall broke?

A Big rain.

B strong wind.

C earthquake.

D People don’t know.

解析：选D。细节理解题。根据第二段最后一句People still don’t know why the wall broke.可知，故选D

4.What's behind the wall?

A Animals.

B Enemy.

C Wind.

D Water.

解析：选D。判断推理题。根据第一段第二句They built the wall to stop water.可知，故选D。

5.People feel_____ when 15 people died.

A happy

B sad

C excited

D pleased

解析：选B。判断推理题。人员死亡，民众自然“伤心”，故选B。