为有效减少放射性碘化物及过锝[99mTc]酸盐在甲状腺的蓄积,应()。
A.饮水利尿
B.提前服用KClO4
C.缓泻剂
D.催吐剂
E.拮抗剂
参考答案:B
船在浅水区航行时有哪些不正常迹象?
It is reported that the police will soon ________ the case of the two missing children.[ ]
A. look upon
B. look after
C. look into
D. look out