治疗近视主要取下列何穴
A．承泣
B．睛明
C．翳风
D．光明
E．风池
参考答案：A,B,C,D,E
Lin Yi isn't what it used to be. The last decade ______ great changes in the city images.[ ]
A. witnessed
B. was witnessed
C. has witnessed
D. had witnessed
1995年制订的（）标准是专为中高质量运动图像压缩所设计的低码率图像压缩标准。
A.动态图形编码
B.压缩编码
C.H.263视频编码
D.H.261视频编码
