古代称作篪的乐器是与（）同样横吹的乐器。
A.笛
B.箫
C.笙
D.唢呐
参考答案：A
She changed so much that I could hardly _______ her when we met again after a separation of 20 years.[ ]
A. recognize
B. know
C. remember
D. tell
带电作业使用的10kV绝缘承力工具和绝缘绳索的有效绝缘长度不得小于0.2m
