所有的监视和测量设备必须进行校准和验证（）
参考答案：对
Only one-fifth of Americans saw oil as the chief mason that the U.S. made a war on Iraq, but 75 percent of the French and of the Russians believed ______.
A. to B. so C. go D. do
董事会、监事会、单独或合并持有证券公司8%以上股权的股东，可以向股东会提出议案。 ( )
