在工业项目设计中,下列关于限额设计的表述,不正确的是( )。
A.限额设计就是按照批准的投资估算额进行初步设计,按照初步设计概算造价限额进行施工图设计
B.设计中投资限额分配,首先将投资分配到各单项工程和单位工程然后再分解到各专业
C.限额设计有利于强化设计人员的工程造价意识,改变了设计过程不算账,设计完成见分晓的现象
D.限额设计的横向控制首先须明确各设计单位以及内部各专业科室对限额设计所负责任,其次还要建立健全奖惩制度
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某商场将每件进价为200元的某种商品原来按每件250元出售,一月可售出100件,后来经过市场调查,发现这种商品单价每增加10元,其销量可减少5件.
(1)求销售量y(件)与售价x(元)之间的函数关系;
(2)问售价定为多少时,可以获得最大利润,最大利润是多少?
(3)某部门规定该商品售价不得高于300元,该商场能否到达每月获得利润不低于7000元的目的.
从方框里选择填人对话相应空白处的适当选项。 | |
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A: Hello, Long Yulin. I know you're one of' the best graduates. _ 1 B: Yes, please. A: How do you feel now? B: 2 A: What are you going to do before leaving school? B: I'm going to take some photos with my teachers and classmates, give gifts to my teachers and write best wishes to my classmates. A: Will you miss your teachers and classmates? B: Sure, and I'll remember the past three years of my school life for ever. A. 3 B: By sending e-mails, making telephone calls or writing letters. A: When are you going to have a get-together with your classmates? B: We'll be back for our school's 20th anniversary ceremony. A: 4 B: I'm going to be a scientist, so I'll keep on working hard at my lessons to make my dream come true. A: 5 B: First, I want to say "Thanks" to my teachers for teaching me so well. Second, I wish my teachers and classmates health, happiness and good luck. At last, I hope our school will continue to be the top in Tongren. |
急性智齿冠周炎治疗原则中包括()
A.消炎
B.镇痛
C.切开引流
D.增强抵抗力
E.拔除患牙
菜薹又称菜心,是青菜或油菜的花茎。( )
压力管在紊流状态下沿程阻力h与哪些因素有关?