A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.B.C.D.E.
[单选题]A.2.96GBqB.3.7GBqC.7.4GBqD.5.55GBqE.11.1GBq
[单选题]A.3B.2C.1D.0