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【判断题】
已知一棵二叉树的前序序列和中序序列可以唯一地构造出该二叉树。( )A.
正确
B.
错误
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【单选题】他们应该在一小时以前到达这里。
A.
They should suppose to be here an hour ago.
B.
They should be supposed be here a hour ago.
C.
They were supposed to be here an hour ago.
【单选题】You are thinking about buying a long-term bond from Flex Industries, an established firm with several years of profitability. Relative to other bonds,
A.
both the long term and the low risk of Flex bonds would tend to make the interest rate they pay lower.
B.
the long term of Flex bonds would tend to make the interest rate they pay lower, while the low risk of Flex bonds would tend to make the interest rate they pay higher.
C.
the long term of Flex bonds would tend to make the interest rate they pay higher, while the low risk of Flex bonds would tend to make the interest rate they pay lower.
D.
both the long term and low risk of Flex bonds would tend to make the interest rate they pay higher.
【判断题】A company's product mix has four important dimensions: width, length, depth, and consistency.
A.
正确
B.
错误
【简答题】燃油压力调节器按结构不同分 _____________ 和 _____________ 燃油压力调节器。
【判断题】The four product-mix dimensions (length, width, depth, consistency) permit the company to expand its business.
A.
正确
B.
错误
【简答题】燃油压力调节器按结构不同分_____________和_____________燃油压力调节器。
【判断题】Depreciation means an increase in the value of a currency relative to other currencies.
A.
正确
B.
错误
【单选题】Product mix ________ refers to the number of versions offered for each product in the line.
A.
length
B.
depth
C.
height
D.
width
【单选题】The ________ of the product mix refers to the total number of items in the mix.
A.
width
B.
length
C.
depth
D.
range
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