甲状腺危象的治疗主要采用：
A.大剂量碘剂
B.小剂量碘剂
C.大剂量硫脲类药物
D.甲状腺素
参考答案：A
圆管层流流动断面流速分布特征为：______
A．线性分布 B．抛物面分布C．对数分布 D．任意分布
. —She ’s failed her test again.
—________. She has been studying very hard.
A．I don’t think so
B．Don’t worry
C．Why not ?
D．What a shame
