无机汞的最后蓄积脏器为()
A.肾脏
B.脾脏
C.骨骼
D.肝脏
E.血液
参考答案:A
Having received my wishes, Jane replied with a message ______ she used “U2”
instead of ‘‘you too” .
A.which
B.where
C.whose
D.when
IEEE 1588V2协议中,不属于PTP实体类型的是().
A、普通时钟OC
B、边界时钟BC
C、管理时钟MC
D、E2E透传时钟