Every week,more children arrive to work in the hundreds of primitive mines in the bush. Here they suffer long hours at dangerous jobs,getting gold from the dirt with mercury(水银) .

 One of them is a 12-year-old boy named Saliou. Momodou is just 13 years old. This is a region of Africa where boys of Saliou’s age are expected to earn money for their families. He works in a bush mine on the Senegal-Mali border in the village of Tenkoto. According to the UN,mining is one of the worst forms of child labour. However,the laws are seldom enforced.

 Children travel from mine to mine,moving with the gold. The AP reports that 6 months after Saliou arrived in Tenkoto,it was decided that the mine was nearly empty. So he and the boys walked for more than a week,crossed theSenegalborder and arrived at another mine inMali.

 The World Health Organization says that mercury can affect the brain. It’s especially dangerous for children since their nervous systems are still developing. Typical symptoms of mercury include mental retardation,loss of balance,blindness and loss of hearing.

The buyers step in offering about $ 19 per gram. Once the deals are done,the gold is taken to the capital of Mali. There the price for gold is almost $ 23 a gram,nearly $ 4 more than the buyers pay the miners.

United Nations mining experts guess that 10% to 20 % of the thousands of mine workers in West Africa are children.

For Saliou,the work in the mines goes on. He says he dreams that one day he’ll own something made of gold.

1. Why do the boys like Saliou go to work in the mines?

   A. They go there to play.

   B. They go there to find gold.

   C. They go there to buy gold.

   D. They go there to make a living.

2. How much money can Saliou get if he offers the buyers about 2 gram gold?

   A. $23.   B.  $46.

   C.  $38.   D.  $19.

3. What are the typical symptoms of the mercury if the children are affected?

   A. Loss of balance.

   B.  Mental retardation.

   C.  Blindness and loss of hearing.

   D.  All of the above.

4. What’s the writer’s attitude towards the situation of child labour in Africa?

   A. Children like to work there.

   B. The laws must be enforced.

   C.  It is right for children to work there.

   D.  It is not referred to in the passage.

 We had a wonderful holiday in Idaho and we were driving home a day earlier than we,d planned. We went through a small town and discovered a truck on  1          and the driver,Bason,was sitting on the side of the road. We 2      to help him and offer any 3       we could.
  The driver had a 4       on his left hand and shoulder. We told him to 5      ,brought our towels(毛巾) to 6       his hand and some water to keep it 7       for him until help arrived.

  Bason told us his truck was 8       and as he pulled over to cool it off,it just went up in flames. He 9       to get a fire extinguisher(灭火器) out to battle the fire but couldn’t 10       it. Bason said, “I’ve never seen anything like it in my life. A truck can 11       burn to the ground within an hour!” Bason was very 12       that someone stayed with him until emergency help could arrive. He also shared that his family was the first thing he 13       and that he wanted just to be with them. He said his truck was totally insured (投保) and wasn’t 14       at all about that at that time,just grateful to be 15      .

We were there and could 16       him. Coincidence? Perhaps. But we believe some things just happen for 17       beyond our understanding at the time. We believe sometimes challenges or opportunities 18       our way because we need to grow. We need to 19       and become more than we are. We need to help others. This experience was probably one of those 20       for us. I will never forget it.

1. A.  board   B. sale   C. fire   D. duty

2. A.  stood up   B. pulled up   C. rang up   D. made up

3. A.  first aid   B. medicine   C. operation   D. money

4. A.  bite   B. rope   C. burn   D. ring

5. A.  break down   B. close down   C. look down   D. calm down

6.  A. hold   B. wrap   C. raise   D. press

7. A.  wet   B. hot   C. fresh   D. dry

8.  A. overcrowded   B. overheated   C. old   D. dangerous

9. A.  expected   B. agreed   C. managed   D. regretted

10. A.  tell   B. catch   C. light   D. control

11. A.  hardly   B. foolishly   C. completely   D. strangely

12. A.  grateful   B. sorry   C. certain   D. nervous

13. A.  thought of   B. turned to   C. contributed to   D. called on

14. A.  satisfied   B. worried   C. tired   D. bored

15. A.  asleep   B. alike   C. awake   D. alive

16. A.  follow   B. direct   C. respect   D. help

17. A.  benefits   B. troubles   C. reasons   D. costs

18. A.  block   B. come   C. stop   D. change

19. A.  give   B. charge   C. attack   D. ask

20. A.  plans   B. disasters   C. friends   D. occasions

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