在照片上以黑、白、灰等密度形式反映原景物的高度即()
参考答案:影调
Nowadays people are more concerned about the environment ________ they live.
A.what
B.which
C.when
D.where
下述哪项胎动不安与子肿有共同的病机?()
A.肾气虚弱
B.脾肾阳虚
C.气滞血瘀
D.痰湿阻滞
E.肝脾不调