调节器特性是指调节器接受到（）后，调节器输出随输入的变化规律。
A.输入的测量信号
B.输入的偏差信号
C.输入的给定信号
D.干扰信号
参考答案：B
同义句转换。
1. Do you want to come to my birthday party?
________you ________to come to my birthday party?
2. I will go to bed after I finish my homework.
I ________ go to bed ________ I finish my homework.
3. It took her an hour to wash the clothes.
She ________ an hour ________ the clothes.
4. You needn't finish your homework now.
You ________ ________ finish your homework now.
5. Why not play soccer with me?
Why________ ________ play soccer with me?
招标人与投标人就投标价格、投标方案等实质性内容进行谈判应当在( )进行。
A．发布招标公告(投标邀请函)之后
B．开标之前
C．中标人确定之后
D．合同签订之后
