脑出血的内科疗法中，最重要是
A．降低血压B．控制出血C．控制脑水肿，预防脑疝D．加强护理，注意水与电解质平衡E．气管切开，吸氧
参考答案：C
— Why don’t you want to travel abroad?
— Because it becomes ________ expensive ________ before.
A．not so much; as
B．as much; as
C．much more; than
D．much less; than
水下作业点水流流速不得超过（）M/S
A.0.1
B.0.3
C.1.5
D.2
