"寒主收引"是指（）
A．寒性重浊黏滞
B．寒邪损伤阳气
C．寒邪阻滞气机
D．使气机收敛，经络筋脉挛急
E．寒为阴邪，易伤下部
参考答案：D
When the little boy saw his mother, he _______ very excited.
A．were
B．got
C．becomes
D．feels
为提高分度精度，若等分数为61，假定等分数应选（）为宜
