制氢室着火时,立即停止电气设备运行,切断电源,排除系统压力,并用()灭火器灭火。制氢室和机组的供氢站应采用()门窗,门应()。
参考答案:二氧化碳、木制、向外开
Darcy Grafton, CFA, purchases a large block of stock on behalf of specific accounts she managed. The stock realized a significant gain in value before the close of business; so Grafton reviewed her accounts again to determine where the block shares should be allocated. According to the Standards of Practice Handbook, Grafton’s most appropriate action is to allocate the shares to:()
A.all accounts equally.
B.all accounts for which she has discretionary authority.
C.only those accounts for which the block shares were originally intended.
高度危险作业致人损害的民事责任的归责原则是
A.过错责任原则
B.公平责任原则
C.无过错责任原则
D.过错推定责任原则