题目内容
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According to the text, which of the following is eligible for a patent？
A．The perpetual-motion machine.
B．A solar-powered automobile.
C．The "one-click" online payment system.
D．A words-memorizing approach.
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更多“According to the text, which o…”相关的问题
A、It is the PCR in which longer templates are used
B、DNA polymerases which don’t have proof-reading activity give larger products
C、DNA polymerases’ processivity is not a measure to have larger products
D、It is PCR in which a mixture of enzymes is used to have larger products
A、Reseller market
B、Consumer market
C、Institutional market
D、Government market
A、run
B、dash
C、sprint
D、skedaddle
A、donating the profits from her business to charity.
B、capturing the highest number of sales in her industry.
C、maximizing profits.
D、minimizing costs.
A、total revenue obtained from an additional unit of that input.
B、quantity of output obtained from an additional unit of that input.
C、profit obtained from an additional unit of that input.
D、total revenue obtained from an additional unit of that input.
A、marginal revenue equals average total cost.
B、marginal revenue equals average variable cost.
C、average revenue equals average total cost.
D、marginal revenue equals marginal cost.
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