执勤空呼器宜固定在消防车专用托架上，面罩应放置在保护套内，并保证空呼器在存放和运输过程中固定固不受磕碰和污染。
参考答案：对
France's renewal of nuclear testing in the South Pacific last month triggered political debates nd mass demonstrations.
A．assumption
B．consumption
C．presumption
D．resumption
肿瘤坏死因子
