银联卡完好性检查要项包括()。
A、卡片正反面完整无缺
B、无涂改或刮伤的痕迹
C、无打孔、剪角、损毁现象
D、卡面的凸印号码没有被涂改的痕迹
参考答案:A, B, C, D
活化的T细胞表达的抑制性受体是()
A.CTLA-4
B.TCR-Igβ
C.FCR
D.CD94
E.IL-2R
— My room gets very cold at night.
— ________. [ ]
A. So is mine
B. So mine is
C. So does mine
D. So mine does