[单选题]《山东省生产经营单位安全生产主体责任规定》规定，从业人员在1000人以上的高危生产经营单位配备的专职安全生产管理人员中，其中至少应当有（）名注册安全工程师
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{{B}}How SATS Work{{/B}}
Tests are a fact of life throughout our school careers, but one of the most important, and, to some, the scariest, of them all is the SAT—that three-hour exam that’s supposed to measure a high school student’s chance of academic success in the first year of college. Some colleges consider SAT scores major factors in their admission process, while others view high school academic performance, along with recommendations and extracurricular activities, equally, or even more importantly. No matter where you’re headed, if you’re a high school student, the SAT is important to you because most colleges require students to report either SAT or ACT Assessment scores.
{{B}}What Is the SAT {{/B}}
First of all, SAT no longer stands for Scholastic Aptitude Test (学术性倾向测验), the original name of the test when it was introduced in 1941. Although you may still see th