解不等式2-3x≤3+5x,则x______.
-3x-5x≤3-2,
-8x≤1,
x≥-18.
故答案为 ≥-18.
The little child ________ get what he wanted at last and felt very happy.
A.tried to
B.failed to
C.managed to
D.succeeded to
醋酸地塞米松注射液()
A.两步滴定法
B.高效液相色谱法
C.柯柏反应比色法
D.紫外分光光度法
E.四氮唑比色法 下列药物及其制剂的含量测定方法分别是