生物间的他感作用主要存在于 ( )
A.种间关系中
B.种内关系中
C.种内和种间关系中
D.种内和种间都不存在
参考答案:C
The singer said that she wasn’t feeling well that night,_______?
A.didn’t she
B.did she
C.wasn’t she
D.was she
患者经行时小腹绵绵作痛,伴腰骶酸痛,经色黯淡,量少,质稀薄,头晕耳鸣,面色晦暗,健忘失眠,舌质淡红,苔薄,脉沉细。其治法是()
A.补肾益精,养血止痛
B.补肾疏肝,行气止痛
C.滋肾养阴,清热止痛
D.疏肝清热,化瘀止痛
E.理气行滞,化瘀止痛