起重机的起升、便幅机构的制动器必须是（）的。
参考答案：常闭
The film was so ______ that soon all the children in the cinema began feeling ______ of it and they went out one by one.
A．bored, boring
B．boring, boring
C．bored, bored
D．boring, bored
行政机关采取金融业审慎监管措施、进出境货物强制性技术监控措施的，应当依照（）规定执行
A、法律
B、行政法规
C、《行政强制法》
D、部门规章
children in the cinema began feeling ______ of it and they went out one by one.