拆除施工采用的脚手架、安全网、必须由（）搭设。经有关人员验收合格后，方可使用。
A、安全部门
B、专业人员
C、施工人员
D、技术部门
参考答案：B
患者，A1238123缺失，上颌前突，可摘局部义齿修复，排牙时，下列正确的是（）。
A.可将人工牙排向腭侧一些
B.可将人工牙排向唇侧一些
C.可将人工牙排在牙槽嵴顶
D.将人工牙排列成对刃牙合
E.将人工牙排列成反牙合
Which of the following statements regarding the mark to market of a futures account is FALSE Marking to market of a futures account:()
A. may result in a margin balance above the initial margin amount and may be done more often than daily.
B. is only done when the settlement price is below the maintenance price.
C. effectively adjusts the price of the future to the new equilibrium level.
