
A.
B.
C.
D.
[单选题]A.Indifferent.B.Supportive.C.Indignant.D.Apprehensive.
[单选题]A.Indifferent.B.Supportive.C.Indignant.D.Apprehensive.
[单选题]A.根尖周脓肿B.牙槽脓肿C.蜂窝织炎D.骨膜下脓肿E.黏膜下脓肿
[单选题]A.46B.25C.3D.-3
[单选题]A.一个解向量B.两个解向量C.三个解向量D.四个解向量
[单选题]A.-4B.0C.1D.4
[单选题]A.连续点B.无穷型间断点C.跳跃间断点D.可去间断点
[单选题]A.秩r(A)=1B.秩r(A)=2C.秩r(A)=3D.秩r(A)=4