八脉交会穴的记载首见于下列哪部著作：
A．《针灸甲乙经》B．《难经》C．《灵枢》D．《十四经发挥》E．《针经指南》
参考答案：E
You can’t imagine ____ when they received these nice Christmas presents.
A．how they were excited
B．how excited they were
C．how excited were they
D．they were how excited
下列哪种情况，移动台会发送导频测量消息：（）
A.当相邻导频集或剩余导频集中的某一个导频的强度超过了T_ADD
B.当候选导频集中的导频强度超过T_ADD
C.侯选导频集的导频强度比激活集的导频强度高于比较门限
D.激活集中导频强度低于TDROP
