仙方活命饮的功用包括（）
A.泻火凉血
B.清热解毒
C.消肿溃坚
D.温通散结
E.活血止痛
参考答案：B, C, E
Lucy likes English very much . She does her best _____it well.
A．to learn
B．learn
C．learning
D．is learning
ILS操作的航向信标转换的频率范围是多少？
