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【单选题】
轴承编号是 6105 的轴承内径是( )A.
20mm
B.
50mm
C.
25mm
D.
以上都不对
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【单选题】Refer to Table 2.1. To maximize total production,
A.
Krystal should specialize in writing TV commercials, and Mark should specialize in writing poems.
B.
Mark should specialize in writing TV commercials, and Krystal should specialize in writing poems.
C.
Krystal should write poems and write TV commercials, but Mark should only write poems.
D.
Krystal and Mark should both split their time between writing poems and writing TV commercials.
【单选题】Questions 15 through 20 are based on the information presented in table 1.1: T able 1.1 P roduction capability C ontainers of snowboards Containers of digital cameras Austria has 1,000 units 1...
A.
absolute disadvantage; digital cameras
B.
absolute disadvantage; snowboards
C.
absolute advantage; both digital cameras and snowboards
D.
none of the above
【简答题】某商场购物实惠措施，若购物金额x在800元以上打8折；若购物金额x在800元及以下不打折，请设计程序算法框图，要求输入金额x，输出实际交款金额．
【单选题】Table 1.1 Production capability Containers of snowboards Containers of digital cameras Austria has 1,000 units 15 containers/unit 8 containers/unit of production factors Russia has ...
A.
snowboards; 5:4
B.
digital cameras; 8:3
C.
snowboards; 8:3
D.
digital cameras; 5:4
【简答题】北宋时期 成立了 中国历史上第一个专业书画机构,“ ”。
【简答题】北宋时期成立了 中国历史上第一个专业书画机构,“ ”。
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