浮充电压一般在()V/只范围内选定。
A.2.23~2.25
B.2.20~2.22
C.2.22~2.25
D.2.25~2.30
参考答案:A
One out of five bridges in the United States is outmoded .
A.narrow
B.obsolete
C.illegal
D.concrete
脑组织遭受破坏较轻,软脑膜尚完整者为()
A.冲击伤
B.对冲伤
C.脑挫伤
D.脑裂伤
E.弥漫性轴索损伤