头手倒立用身体的（）部位支撑。
A、两手与头
B、两手与前额
C、两手与肩
D、两手、头后部与肩
参考答案：B
属于亚氨基酸的是
A．谷氨酸
B．苏氨酸
C．脯氨酸
D．丝氨酸
E．组氨酸
You have recently appointed a project manager to handle a critical project in your organization．You want to provide the project manager with authority to apply organizational resources to project activities．Which document should you use ？（）
A．Resource authorization documen
B．Work breakdown structur
C．Project charte
D．Project scope statemen
