飞机配餐前应该做的安保工作是（）
A.品尝餐食味道
B.保证食品温度
C.检查车辆确保没有外来物品
D.对食品喷洒消毒液
参考答案：C
—Shall we go to the fashion show tomorrow?
—________
A. Thank you.
B. Good idea.
C. It's very kind of you.
何谓人工心脏起搏及其适应证?
