胸痛伴大汗、血压下降或休克时多提示
A．肝硬化腹水B．急性胃穿孔致腹膜炎C．胰腺囊肿D．癌症晚期恶病质E．腹白线疝
参考答案：D
EXCEL中，将两个字符串连接起来的运算符是（ ）
A．$
B．+
C．&
D．-
Where would you find the call sign or call letters of the radio station on your ship?（）
A.In the rig safety manual
B.On the Certificate of Inspection
C.On the Ship Station License
D.On the rig Watch Bill
