功能平肝潜阳、聪耳明目、镇惊安神、纳气平喘的药是()
A.琥珀
B.磁石
C.龙骨
D.牡蛎
E.朱砂
参考答案:B
The young lady watched her daughter a yo-yo yesterday aftemoon.[ ]
A. to play with
B. to play
C. play with
D. play
10Gbps Ethernet仍然保留了802.3标准对Ethernet最小帧长度和最大 【5】 的规定。