拆除立杆时，把稳上部，再松开下端的联结，然后取下。（）
参考答案：对
The meeting __ tomorrow will be of great importance. All of us should attend it.
A．held
B．to be held
C．being held
D．is going to be held
采用就便器材做绞紧止血时可选择（）
A.绳索
B.电线或铁丝
C.布条或领带等
