汇票
参考答案：
是指一个人向另一个人签发的要求见票时或在将来的固定时间，或可以确定的时间，对某人或指定的人或持票人支付一定金额的无条件的支付命令书
在脚手架主节点处必须设置一根（），用直角扣件扣紧，且严禁拆除。
A.纵向水平杆
B.连墙件
C.竖向水平杆
D.横向水平杆
You are the project manager for an initiative aimed at releasing a new product in the market. But because of government regulation, you will have to make some changes to the project scope and the WBS. Any approved modifications to the contents of the scope statement should be done through ______ updates.
A．scope management plan
B．work breakdown structure
C．project plan
D．none of the above
