石油化工自动化包括自动监测、联锁保护、自动操纵、（）等方面的内容。
A、智能楼宇
B、自动控制
C、电子电路
D、机械传动
参考答案：B
学校的各个特长俱乐部要招生。今天，有两个好朋友Mario和Lisa一起去参加面试，请完成下面主考老师与他们之间的对话。
Teacher: (1) _________________________
Mario, Lisa: We want to join the music club.
Teacher: (2) __________________________
Mario: I can sing.
Teacher: (3)____________________________
Lisa: Yes, I Can also play the piano, but I can't play it very well.
Teacher: (4) ____________________________, Mario?
Mario: Yes, I can also play the guitar.
Teacher: (5)___________________________
Mario: Sorry, I can't play it very well.
根据印花税法律制度的有关规定，下列凭证中属于印花税征税范围的有( )。
A．原始凭证
B．工商营业执照
C．购销合同
D．借款合同
