A.-0.1,200 B.-0.1,2000 C.-0.1,-200 D.1,2000
A. B. C. D.
A.100,0.009 B.1000,0.01 C.100,0.01 D.1000,0.099
A.图(a) B.图(b) C.图(c) D.图(d)