血虚证可见（）
A.唇色淡白
B.唇色红润
C.唇色深红
D.唇色青黑
E.唇色紫暗
参考答案：A
The harm the modern farming methods have done________the countryside is considerable. [ ]
A. on
B. to
C. at
D. for
逢年过节，暴饮暴食，并不会影响胃，肠的功能．______．
