A.Indifferent.
B.Supportive.
C.Indignant.
D.Apprehensive.
[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.Indifferent.B.Supportive.C.Indignant.D.Apprehensive.
[单选题]A.方向垂直环形分路所在平面且指向纸内B.方向垂直环形分路所在平面且指向纸外C.方向在环形分路所在平面,且指向bD.为零
[单选题]A.方向垂直环形分路所在平面且指向纸内B.方向垂直环形分路所在平面且指向纸外C.方向在环形分路所在平面,且指向bD.为零