患者便血已半年，怯寒神疲，肛门下坠，舌质淡薄，脉细弱。治则宜用( )
A．健脾益气止血B．补气升阳止血C．健脾温中止血D．补益气血
参考答案：B
His grandmother has been ________ for more than ten years.
A．died
B．death
C．dying
D．dead
“下雪不冷，化雪冷”的主要原因是______．
