按数学特性划分,自动控制系统分为()。
A.线性系统
B.离散系统
C.非线性系统
D.随动系统
参考答案:A, C
—I’m afraid that she won’t come to help me as she promised
—Don’t worry. Nothing will her mind if she has up her mind
A.turn, done
B.grow, give
C.make,changed
D.change,made
肾病综合征首选药物是()
A.环磷酰胺
B.雷公滕多甙
C.潘生丁
D.吲哚美辛
E.糖皮质激素