对于储压型干粉灭火系统,当采用全淹没灭火系统时,喷头的最大安装高度不大于()。
A.6m
B.7m
C.8m
D.10m
参考答案:B
申请期货公司董事长、监事会 * * 、独立董事的任职资格,应当由拟任职期货公司向中国证监会或者其授权的派出机构提出申请,并提交下列哪些申请材料?()
A.任职资格申请表
B.1名推荐人的书面推荐意见
C.身份、学历、学位证明
D.资质测试合格证明
Which of the following statements about hypothesis testing is FALSE()
A. The null hypothesis is a statement about the value of a population parameter.
B. A Type Ⅱ error is failing to reject a false null hypothesis.
C. If the alternative hypothesis is Ha: μ>μ0, a two - tailed test is appropriate.