眼窝凹陷多属( )
A.水肿病B.肝胆火炽C.津伤液耗D.脾胃气衰
参考答案:C
No one can ignore the fact that his wife is independent _______ her husband earns all or most
of the family income.[ ]
A. now that
B. in case
C. even if
D. only if
为了实现人、机、环境之间的最佳匹配,人因工程学把()作为追求的重要目标。其标志是()。