对能够完成配注的注入井,日配母液注入量≤20m3,母液注入量波动不超过配注的()m3。
A、±1
B、±2
C、±3
D、±4
参考答案:A
—What will you do next Sunday?
—Maybe do some shopping, for I ______go to school on Sunday.
A.mustn’t
B.shouldn’t
C.don’t have to
D.had better not
以下哪些是换血并发症:
A.心力衰竭
B.门静脉血栓
C.低血糖
D.菌血症
E.电解质紊乱