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【简答题】
设某茶厂计划创建精制茶厂,开始有两个方案,方案一是建年加工能力为 800 担的,方案二是建年加工能力为 2000 担的大厂。两个厂的使用期均为 10 年,大厂投资 25 万元,投资 10 万元。产品销路没有问题,原料来源有两种可能 ( 两种自然状态 ) :一种为 800 担,另一种为 2000 担。两个方案每年损益及两种自然状态的概率估计值见下表:请帮助该厂进行投资决策,选择哪种方案更有利? 方案 自然状态 销路好概率 0.8 销路差概率 0.2 原料 800 担建(投资 10 万元) 每年收益 15 万 每年收益 10 万 原料 2000 担建大厂(投资 25 万元) 每年收益 25.5 万 每年收益 13.5 万
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举一反三
【单选题】You are giving a talk when someone raises their hand to ask a question. What can you say?
A.
That's a very good point. What does everyone else think?
B.
There'll be time for questions at the end.
C.
I'd like to deal with questions later, if that's all right.
D.
Ignore the questions.
【判断题】桥式起重机的起升机构、小车运行机构属于工作性机构,大车运行机构是非工作性机构。
A.
正确
B.
错误
【单选题】There is an essential ______ in human gestures, and when someone raises the palms of his hands together, we do not know whether it is to bury himself in prayer or to throw himself into the sea.
A.
economy
B.
dignity
C.
insincerity
D.
reverence
E.
ambiguity
【单选题】(     )是问卷的主体,是问卷最核心的组成部分
A.
封面信
B.
问候语
C.
问题和答案
D.
结束语
【简答题】About archery, which is NOT correct?
【单选题】通常打印质量最好的打印机是().
A.
点阵打印机
B.
喷墨打印机
C.
激光打印机
D.
针式打印机
【单选题】Which is Not correct?
A.
Cystatin C is better than GFR for diagnosis of glomerular dyfunction
B.
Cystatin C is higher cost than creatinine clearance
C.
Cystatin C is for diagnosis of renal tubular dyfunction
D.
Cystatin C is possible variable among individuals
【单选题】—Hi, James. There is someone _______ for you at the school gate. —It may be my mother. She comes to see me. [     ]
A.
waited
B.
waiting
C.
to wait
【单选题】If someone raises his profile, he _____.
A.
impresses others by his appearance
B.
gets more attention from the public
C.
gain strength gradually
D.
improves his resume
【单选题】通常打印质量最好的打印机是( )
A.
针式打印机
B.
喷墨打印机
C.
点阵打印机
D.
激光打印机
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