下一个图形为()。
A.
B.
C.
D.
参考答案:B
解析:
时针和分针都是顺时针旋转,时针每次旋转3个单位,分针每次旋转4个单位。
—The leaders are supposed to care about the sufferings of the people.
—Contrary to that, some of them act with their eyes _______ to the reality.
A.closing
B.closed
C.to close
D.being closed
关于窗技术描述错误的是()
A.窗位指窗宽上、下限CT值的平均数
B.窗宽指显示图像时所选用的CT值的范围
C.窗技术包括窗宽、窗位的选择
D.根据诊断需要调解图像的对比度和亮度的调节技术
E.如窗位和窗宽均调节至80,CT值的范围是80~160