发病的基本原理是
A. 正气不足
B. 感受邪气
C. 环境因素
D. 邪正相搏
E. 体质因素
肝血不足可表现
A. 两目昏花
B. 腰膝酸软
C. 四肢屈伸不利
D. 肢体麻木
E. 月经量少色淡
1.Bees communicate by dancing: for example, they do a kind of dance to tell other bees about the _________ of flowers.
2.It was said that Nancy was going to marry a rich Englishman, but she ________ it.