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问题 选择题

如图所示，四个电路图中与右边实物图对应的是（　　）

A．

B．

C．

D．

答案

电流从电源正极出发后，首先要分叉，一条流入开关，再流入灯泡；另一条流入灯泡；然后汇合在一起，流入电源负极．故画电路图如下，与C图一致．  

综上分析，故选C．

名词解释

浓缩料
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单项选择题

Fred, an elderly man who now lives in a nursing home, was just treated to a visit with his newborn great-granddaughter. After the family leaves, having encountered this generation of his offspring gets Fred pondering whether or not he has led a productive life. He wonders if his work and presence in the world before retirement have left it a better place, especially for his own family, or if he has merely been wasting time in his life, filling it up. At this point, which stage of Erickson’s Psychosocial Stages of Development best describes Fred’s situation()

A．Industry vs inferiority

B．Intimacy vs isolation

C．Integrity vs despair

D．Autonomy vs shame and doubt
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