Which of the following statements about salt is Not True？
A. For many years people have been unaware of the many problems of salt including its corrosive effects.
B. Salt is the cheapest among its many alternatives with its purchase price of $ 25 a ton.
C. The national bill of salt may reach as high as $ 5 billion a year.
D. The economic cost of salt is still lower than the cost of CMA.
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移动平均线呈上升状态，而股价曲线却降至其下方时，说明股价趋向反弹，为买入信号。 ()
A. 正确
B. 错误
Farmers can save a considerable amount of pesticide by consulting infrared scanning experts.
A. Right
B. Wrong
C. Not mentioned
A．It may not change this time.B．It will be fine.C．It hasn't been good lately.D．The wea
A. It may not change this time.
B. It will be fine.
C. It hasn't been good lately.
D. The weather is unpredictable.
违反《中华人民共和国矿山安全法》的规定，未按照规定及时、如实报告矿山事故的，由（）责令改正，且可以并处罚款。
A. 政府部门
B. 劳动行政主管部门
C. 矿山企业
D. 安全管理部门
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