Energy is obtained from rivers by ______.
A. building bridges across them
B. building dams across them
C. driving generators into them
D. channelling them into homes and factories
横位是指
A. 胎头位于宫底处,胎心于脐右上方
B. 胎头在耻骨上方,胎心于脐左下方
C. 胎头在上方,胎心位于脐左上方
D. 胎头在脐左侧,胎心靠近脐下方
E. 胎头在下方,胎心位于脐左下方
妊娠高血压综合征痰火上扰证首选方是
A. 天麻钩藤汤
B. 牛黄清心丸
C. 天仙藤散
D. 羚角钩藤汤
E. 六味地黄丸
月经二月一至的,称为
A. 居经
B. 激经
C. 暗经
D. 并月
E. 避年