资金证明证明内容无误、打印有误，应进行（）处理。
A.无需处理
B.作废证明及凭证
C.作废证明
D.作废凭证
参考答案：D
对于病因不明的化脓性脑膜炎，首选治疗是
A．头孢三嗪或头孢噻肟
B．大剂量青霉素
C．大剂量氨苄青霉素
D．青霉素+氨苄青霉素
E．氯霉素
The common way to obtain your ship’s position is（）.
A.keeping a close watch and lookout
B.taking a radar range and bearing
C.observing a radar target and listening to signals
D.keeping a well clear caution
