塔吊、人货电梯的检测费，归入哪类费用中计取？
参考答案：
塔吊、人货电梯的检测费，凭市主管部门开具的收费凭证，归在施工措施费内列支。
“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.”
A．may not be hearing
B．may not have heard
C．must not have heard
D．must not be hearing
有效积温
