有关全国性的重大政策问题，只有党中央有权作出决定。
参考答案：对
A．放大实像
B．缩小实像
C．放大虚像
D．缩小虚像
A: Excuse me, Mr. Smith, but are you free this eveningB：().
A. Well, I’m afraid whether I will be free or not has little to do with you.
B. Yes, welcome to my home this evening.
C. Sorry, I don’t like to be asked such a private question.
D. I’m sorry , I have an appointment at seven.
