汽车电路基本连接方式为（）。
A.串联
B.并联
C.单线制
D.负极接地
参考答案：A, B
Sean's strong love for his country is ________ in his recently published poems.[ ]
A．relieved
B．reflected
C．responded
D．recovered
简述自定义形状工具的功能和使用方法,并举实例说明。
