题目内容
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[多选题]
效用函数的种类一般包括()。
A.边际效用递减的效用函数
B.边际效用递增的效用函数
C.边际效用不变的效用函数
D.边际效用标准的效用函数
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第2题
I’m mostwfully grteful to you. I cn’t think wht I ________ without you.could doB．would doC
．shI’m mostwfully grteful to you. I cn’t think wht I ________ without you.could do B．would do C．should hve done D．must hve done
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A．could do
B．would do
C．should have done
D．must have done
第3题
A: I don't know what I'd have done without you. B: ______A．How is everything？B．I am very g
A: I don't know what I'd have done without you. B: ______
A．How is everything？
B．I am very grateful to you.
C．It was nothing.
D．I didn't mean it.
第4题
I was really anxious about you. You ______ home without www.hfbqlw.coma word.
A. mustn‘t leave
B. shouldn't have left
C. couldn‘t have left
D. needn't leave
第5题
Tom has been most helpful to us; in fact I don't know what we ______ without him.A．have do
Tom has been most helpful to us; in fact I don't know what we ______ without him.
A．have done
B．will have done
C．had done
D．would have done
第6题
I ______ this three－room apartment without the money I borrowed from the bank.A. need
I ______ this three-room apartment without the money I borrowed from the bank.
A. needn’t have bought
B. mustn’t have bought
C. shouldn’t have bought
D. couldn’t have bought
第7题
I was really anxious about you. You______home without a word.A．mustn't leaveB．shouldn't ha
I was really anxious about you. You______home without a word.
A．mustn't leave
B．shouldn't have left
C．couldn't have left
D．needn't leave
第8题
I was really worried about you. You ______ home without a word.A．mustn't leaveB．shouldn't
I was really worried about you. You ______ home without a word.
A．mustn't leave
B．shouldn't have left
C．couldn't have left
D．needn't leave
第9题
I was really anxious about you. You ______ home without a word.A．mustn't leaveB．shouldn't
I was really anxious about you. You ______ home without a word.
A．mustn't leave
B．shouldn't have left
C．couldn't have left
D．needn't leave
第10题
Tom has been most helpful to us; in fact I don't know what we ______ without him.A．have do
Tom has been most helpful to us; in fact I don't know what we ______ without him.
A．have done
B．will have done
C．had done
D．would have done
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