脉动应指的范围超过寸、关、尺三部是指（）
A.洪脉
B.疾脉
C.长脉
D.数脉
E.大脉
参考答案：C
After ________ seemed a hopeless wait, four coalminers trapped in the mine for 125 hours were finally rescued in Heilongjiang Province.
A．when
B．that
C．it
D．what
在HTML代码中表示一段文字用粗体显示，使用<；h>；标记。（）
