GMDSS的证书是由（）规定的。
A、SOLAS公约
B、STCW公约
C、无线电规则
D、GMDSS系统本身
参考答案：C
The house is built _______ there was a temple which had been built in honor of a famous monk.
A．in which
B．in what
C．where
D．in where
医院工作的主要特点有哪些？
