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【简答题】
某企业计划进行某项投资活动，拟有甲、个方案。有关资料为： 甲方案原始投资为150万元，其中，固定资产投资100万元，流动资金投资50万元，全部资金起点一次投入。该项目经营期5年，到期残值收入5万元，预计投产后年营业收入90万元，年总成本60万元。 乙方案原始投资为210万元，其中，固定资产投资120万元，无形资产投资25万元，流动资产投资65万元，全部资金起点一次投入。该项目建设期2年，经营期5年，到期残值收入8万元，无形资产自投产年份起分5年摊销完毕。该项目投资后，预计年营业收入170万元，年经营付现成本80万元。 该企业按直线法折旧，全部流动资金于终结点一次回收，所得税率为33%，设定折现率为10%。 要求：
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举一反三
【单选题】下列各项中,表达错误的是
A.
成本与费用是一组既有紧密联系又有一定区别的概念
B.
没有发生费用就不会形成成本
C.
成本的发生期与补偿期并非完全一致
D.
成本在损益表上被列为当期收益的减项
【单选题】听力原文：W: [22] Interested in this book? This is our best seller this week. M: Best seller? I am considering what new ideas it gives about how to deal with the aggravating people. W: It asks people to qu...
A.
Many of her books are bestsellers.
B.
She is a shrewd bookstore owner.
C.
She is promoting her book in person.
D.
She is a salesperson at the bookstore.
【简答题】已知正三棱锥的底面积是6平方厘米,高是3厘米,则体积为_____
【单选题】听力原文：M: Hello. This is Mark Smith. W: What can I do for you? M: I'm calling to see if my blood test results are in. W: Dr. Miller just sent them to the lab last night, so the earliest they could be ba...
A.
The results might be ready tomorrow.
B.
The man needs another test tomorrow.
C.
The results were called in last night.
D.
The doctor called the lab last night.
【单选题】The best title for the passage may be______.
A.
Dieting Is No Way to Lose Weight
B.
The Best Method of Losing Your Weight
C.
Causes of Gaining Weight
D.
Recent Researches on Overweight
【单选题】听力原文：W: Interested in this book? This is our best seller this week． M: Best seller? I am considering what new ideas it gives about how to deal with the aggravating people． W: It asks people to quit co...
A.
Many of her books are bestsellers.
B.
She is a shrewd bookstore owner.
C.
She is promoting her book in person.
D.
She is a salesperson at the bookstore.
【单选题】下列各项中，表达正确的是（）
A.
n个碱基组成的DNA分子片段，其种类最多可达4n
B.
某DNA分子含胸腺嘧啶a个，该DNA分子复制n次，需要游离的腺嘌呤a×2n-1
C.
以杂合子（DD.为亲本，让其连续自交n代，从理论上推算，第n代杂合子出现的概率为1／2n
D.
连续培养噬菌体n代，则含母链的脱氧核苷酸链应占子代DNA的脱氧核苷酸链总数的1／2n－1
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