单项选择题

因承包方原因造成工期延误的，延误期间价格下降造成的价差由（ ）受益。

A.发包方
B.承包方
C.发、承包方共同
D.双方协商
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背景资料某工程基础平面图及详图如图4-1、图4-2所示、工程条件为：二类土（普通土），基础采用人工开挖，土方槽边就近堆放，槽底无需钎探，常地下水位为-2.40m。C15混凝土垫层，C25混凝土基础，基础墙厚240mm。已知相关信息：(1)平整场地(编码010101001) ：适用于建筑物场地厚度在30cm以内的挖、填、运、找平。(2)挖沟槽土方(编码010101003) ：适用于底宽小于等于7m，底长大于3倍底宽的土方开挖。(3)人工、材料、机械单价选用陕西省建筑装饰工程价目表，相关价格如下(本题不考虑人工费差价) ： ①人工场地平整，人工、材料、机械单价选用市场信息价：每100m基价为267. 54元。②人工挖沟槽(2m以内)普通土，人工、材料、机械单价选用市场信息价：每100m3基价为1695. 96元。招标单位根据常规施工方案，结合陕西省建筑装饰工程消耗量定额，考虑工作面等因素，确定土方由基础垫层底面开始进行放坡开挖，工作面宽度为300mm， 综合放坡系数取0.46，管理费率取为5. 11%，利润率为3. 11%。工程量清单计价表如4-1。问题：1.计算平整场地、人工开挖基础土方的清单工程量。(写出具体计算过程)2.根据背景资料的相关信息，计算平整场地的定额工程量，并确定综合单价和合价。(写出具体计算过程)3.分别写出表4- 1中A、B、C、D和E的内容。
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听力原文：M: I've got to admit you have a beautiful backyard, Nancy. How do you do it?W: Well, I've got a few secrets...M: OK, OK, what do I have to do to get you to reveal your secrets? You know if I had the money, I'd just hire a gardener.W: No, no you needn't do that. Why, working in the yard is the greatest form. of relaxation that I know of!M: You're kidding, right?! I would never have planted so many trees if I had known how much work they'd requirE.W: You see, that's your problem. Your attitude is all wrong.M: My attitude is wrong? What does attitude have to do with gardening?W: You've got to love working in the backyard-that's my secret!M: Love working in the backyard--I can't believe what you're saying. Let me see if I understand this:...If I had a better feeling about my work in the garden, everything would be wonderful. I'd have a beautiful lawn like you; I'd have healthy plants like you.W: ... yes, that's it. You've got it!M: Look, to tell you the truth, I think you're crazy!W: Oh, Fred, what you put into the land you reap.M: I think I'll just pay a gardener.W: Well, that won't work.M: Why not?W: Because he has to enjoy his gardening...M: Please, Nancy, thank you very much for your advicE.But, don't start it again!What does the man admire about his neighbor?A.Her housE.B.Her backyarD.C.Her secrets.D.Her trees.
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