131I治疗甲状腺功能亢进前患者心率较快,情绪紧张,如对症处理应给予()
A.抗生素
B.镇静剂
C.抗甲状腺药物
D.β受体阻滞剂
E.碘剂
参考答案:B, D
American artist Jeremy Telford made a room with balloons.He got the from Bag End in the Lord of the Rings, which is a hole in the ground where a Hobbit(霍比特人)lives in the film.
A.inspiration
B.compliment
C.occupation
D.regulation
在关系模式规范化过程中,若要求分解保持函数依赖,那么模式分解一定可以达到3NF,但不一定能达到______。