《安全生产法》规定:生产经营单位的特种作业人员必须按照国家有关规定经专门的安全作业培训,取得特种作业操作资格证书,方可上岗作业。
参考答案:对
迂回电路会引起电器的()造成线路故障。
Questions 16~20
The author mentions George W. Bush cutting back his holiday to indicate that ______.
A. the tendency to overwork is limited to people holding important positionsB. ordinary Americans overwork and important ones are no exceptionC. the president finds it necessary to cut back his holiday, let alone othersD. the president has every reason to overwork, but ordinary Americans don’t