举高消防车转台和工作平台操纵面板上都设置有(),在上车遇危险时,按下此按钮可对发动机进行紧急熄火操作。
A.闪光按钮
B.启动按钮
C.急停按钮
D.报警按钮
参考答案:C
The question came up at the meeting____________ we had enough money for our research.
A.that
B.what
C.which
D.whether
国债代保管单可以替代国债实物券入库。