肾病综合征()
A.糖皮质激素大剂量冲击疗法
B.糖皮质激素一般剂量长期疗法
C.糖皮质激素小剂量替代疗法
D.糖皮质激素大剂量长期疗法
E.维持量疗法
参考答案:B
—Where is the library?
—It’ s the hospital.
A. in front
B. in front of
C. in the from of
D. in the front
哪些晶闸管可实现有源逆变?