下列那些属于航行通告（）.
A、航道公报
B、水位通电
C、安全航行通电
D、A+B+C
参考答案：D
You will achieve great success _______you have a dream and believe in it.
A．after
B．although
C．until
D．if
所有休克病人均会出现DIC。
