传染病治疗最重要的是（）。
A.一般治疗
B.支持治疗
C.病原治疗
D.对症治疗
E.中医中药治疗
参考答案：C
图中电流表的示数为_____________A。
The word "preserved" in line 8 is closest in meaning to
A．( confused with others
B．( gradually weakened
C．( protected from destruction
D．( lost permanently
