蓄电池两极柱之间漏电不得大于（）mA
A.100
B.150
C.200
参考答案：A
The coach asked his staff to ______ the large group of journalists waiting for him to announce his training plans. [ ]
A. adapt to
B. attend to
C. refer to
D. appeal to
（）空域为进近管制空域，其垂直范围通常在（）以下，最低高度层以上。
A.C类，6000米（含）
B.C类，6600米（不含）
C.B类，6000米（含）
D.B类，6600米（不含）
