随着人年龄的增加，他们在社会影响下越来越多地用（）的方式从事社会活动。
A.制度化
B.创新化
C.比较安全
D.正规化
参考答案：A
_____, the car stopped all at once. [ ]
A. Seeing a boy lying on the ground
B. On seeing a boy sitting on the road
C. The driver saw a boy standing on the road
D. The minute the driver saw a boy seated on the road
集成电路中形成电阻有几种方式？各种电阻有什么特点？
