接地线连接()加装开关或熔断器。
A.严禁
B.可以
C.在必要时
D.上报领导同意后
参考答案:A
--- ________ people are taking action to protect the environment now.
--- Yes. ________ of my classmates come to school by bike now.
A.Less and less; Five eighths
B.Less and less; Five eighth
C.More and more; Five eighth
D.More and more; Five eighths
中医药物治疗中的道德原则哪点是正确的()
A.对症下药,剂量安全
B.合理配伍,细致观察
C.节约费用,公正分配
D.以上都是
E.以上都不是