[originaltext] U.S. government health and safety officials are investigating

游客2023-06-29  27

问题  
U.S. government health and safety officials are investigating the cause of the recent explosion at a West Virginia coal mine, which killed 12 miners. [3]The accident was apparently an error in an industry which has prided itself on miner safety at a time of extraordinary expansion. Mine companies operate in 27 states, from West Virginia in the east to Montana in the west, producing a total of about one billion tons a year, or more than a third of the world’s coal supply. The U.S. economy is dependent on coal production.
    Coal-fired power plants generate about 50 percent of the nation’s electricity. More than half the nation’s coal is mined underground by thousands of men and women who daily risk injury and death. [4]But the occupation has become much safer since the late 1960s, when the U.S. Congress passed laws requiring federal mine inspections.
3. What do we learn about the recent explosion at a coal mine?
4. What made the mining industry safer in the late 1960s?

选项 A、Extraordinary expansion of mine companies.
B、The laws requiring federal mine inspections.
C、The decline of coal supply in the world.
D、An accident causing thousands of death.

答案 B

解析 新闻提到,当美国国会通过法律要求联邦政府进行煤矿安全检查后(passed laws requiring federal mine inspections),煤矿安全从60年代末开始已有好转。故B正确。A中的Extraordinary expansion有在新闻中提到,但煤矿公司的扩张不是发生在20世纪60年代末,也与挖煤产业变得更安全无关。新闻中只提到美国生产全球三分之一的煤,没有提到C所说的“煤产量下降”。D“一次造成数千人死亡的意外”没有在新闻中提到,只是拼凑了新闻中的thousands of和death。
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