根据《价格法》规定,下列不属于制定政府指导价和政府定价依据的是()。
A.单位产品生产成本
B.市场供求状况
C.国民经济和社会发展的要求
D.社会承受能力
参考答案:A
看图完成对话,一空一词。
John: Hi, Tom! It's me. Don't you _ 1_ me?
Tom: Oh. hi, John. How are you?
John: Fine. Do you remember we _2_ to the West Lake last year?
Tom: Yes. You used to _3 _ boating, didn't you?
John: Yeah. You were more _4 _ in swimming.
Tom: But now I play soccer.
John: Wow!You sure _5 _ .
1.____ 2. 3.___ 4. ___ 5. ____
( )指材料在外力作用下产生变形能够恢复的性能。
A.刚度
B.弹性
C.塑性
D.韧性