儿童个体发展的规律有哪些（）
A、阶段性
B、不平衡性
C、顺序性
D、分化与互补的协调性
E、个别差异性
参考答案：A, B, C, D, E
A．U=vBl，流过固定电阻R的感应电流由b到d
B．U=vBl，流过固定电阻R的感应电流由d到b
C．U=vBl，流过固定电阻R的感应电流由b到d
D．U=vBl，流过固定电阻R的感应电流由d到b
This means ____ wetlands will disappear, and there will be ____ space for plants, animals and birds. [ ]
A. less and less; more and more
B. less and less; less and less
C. more and more ; less and less
D. less and less; more and more
vBl
vBl