对糖皮质激素依赖的肾病综合征患儿首先需要考虑加用（）
A.环磷酰胺
B.吲哚美辛
C.潘生丁
D.左旋咪唑
E.中药五芩散
参考答案：A
简述水体富营养化现象及其防治措施。
Whenever we hear of a natural disaster, we feel sympathetic to the people to be affected.
A．to have affected
B．to have effected
C．who have been effected
D．who have been affected
