杆塔上两根避雷线间的距离应不超过避雷线间垂直距离的()。
A.25倍
B.15倍
C.10倍
D.5倍
参考答案:D
—Do you still remember ____ me somewhere in Shanghai?
—Yes, of course. Two years ago. [ ]
A. to see
B. see
C. seeing
D. saw
对霍乱弧菌培养特性叙述正确的是 ()
A.专性厌氧菌
B.需氧或兼性厌氧菌
C.专性需氧菌
D.普通培养基生长不良
E.普通培养基不能生长