SOLAS公约规定,货船救生设备、灭火设备、导航设备的定期检验间隔不得超过()个月。
A.12
B.24
C.36
D.60
参考答案:B
慢性感染是指病程超过()
A.1周
B.2周
C.3周
D.1个月
E.2个月
Because of the()nature of the agreement, I was reluctant to discuss with him in office.
A.confidential
B.delieate
C.secret
D.sophisticated