一般情况下,在搜寻的边际效用()边际成本是达到最佳搜寻.
参考答案:等于
This _______ looks beautiful. Can I try _______ on? [ ]
A. shoes; it
B. shoe; them
C. pair of shoe; it
D. pair of shoes; them
关于特发性面神经麻痹的临床表现,正确的是()
A.颊肌瘫痪
B.额纹消失或变浅
C.鼻唇沟变浅
D.角膜反射减退
E.面肌痉挛