"阴阳离决,精神乃绝"是指()
A.阴阳平衡关系的破坏
B.阴阳对立关系的破坏
C.阴阳互根关系的破坏
D.阴阳消长关系的破坏
E.阴阳转化关系的破坏
参考答案:C
-Have you handed in your school-work yet?
-Yes, I have. I guess it now.[ ]
A.has graded
B.is graded
C.is being graded
D.is grading
患者,男,30岁。欲行右下第一磨牙种植术,选用骨内种植体,目前应用最广、最受青睐的种植体金属材料是()
A.钴铬合金
B.镍铬合金
C.钛及钛合金
D.金合金
E.银合金