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【简答题】
机会成本和经济成本
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举一反三
【单选题】The consumers' first motivation in buying personal computers was to ______.
A.
play video games
B.
make writing easier for themselves
C.
facilitate their entrance into the stock market
D.
transmit printed information
【单选题】What does the author imply in the last sentence of the whole passage?
A.
As video garners gain age, games will threaten their younger generation rather than them.
B.
As video garners gain age, they will begin to worry about other new things as well.
C.
Video games will destroy the younger generation's moral fiber.
D.
Video garners will become a moral threat to the society.
【简答题】Some businessmen have found it______by putting users into video - -like virtual worlds.
【单选题】Just now, this girl was noticed to enter the video shop, ____ some latest DVDs and leave in a hurry. [ ]
A.
bought
B.
buy
C.
buying
D.
to buy
【单选题】男性,20岁,在局麻下行左手示指缝合术,术后助其更换上衣的步骤是
A.
先脱右侧，后穿右例
B.
先脱左侧，不穿右侧
C.
先脱左侧，后穿左侧
D.
先脱左侧，后穿右侧
E.
先脱右侧，后穿左侧
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