简单的直流电路一般的由电源、负载、控制电器和联接导线等组成。
参考答案:对
— Why didn't you go fishing with your friend yesterday?
— Well, fishing is a hobby which calls for a great deal of________, which I don't have.[ ]
A. strength
B. money
C. wisdom
D. patience
再婚夫妻双方只有一个子女的能否生育第二个子女()
A、不能
B、经过审批可以生育第二个子女
C、可以生育第二个子女