当前甲醇生产工艺的发展呈现哪些特点?
参考答案:
①甲醇生产原料多样化;
②甲醇生产规模大型化;
③甲醇生产能耗低能耗化;
④甲醇生产过程控制高自动化
社会保障体系一般由社会保险、社会救济、社会福利、社会优抚和社会互助组成,其中,最基本时内容或核心部分是
A.社会保险
B.社会救济
C.社会福利
D.社会优抚
The Zaxon Company produces one product and labor is the only variable resource in the production process. In the short run, Zaxon faces a horizontal demand curve at $20 per unit. The average product of labor in the short run is given in the following table:
A.Resouce Units
B.Average Product of Labor
C.1
D.25
E.2
F.22.5
G.3
H.20
I.4
J.17.5