如图所示的电阻箱的示数是______Ω.
电阻箱的示数:R=2×1000Ω+0×100Ω+1×10Ω+0×1Ω=2010Ω.
故答案为:2010.
________, I can see that those terrible events shaped me into the person I am today.[ ]
A.Having looked back
B.Looking back
C.Being looking back
D.To be looking back
下列肿瘤标志物中,脏器特异性最高的是()。
A.SA
B.PSA
C.CEA
D.CA125
E.CA15-3