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【单选题】
挂篮所使用的材料必须是可靠的；挂篮试拼后，必须进行（ ）。A.
外观质量检验
B.
荷载试验
C.
原材料检验
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【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】王女士看中的商品在甲，乙两商场以相同的价格销售，两商场采用的促销方式不同：在甲商场一次性购物超过100元，超过部分八折优惠；在乙商场一次性购物超过50元，超过部分打九折优惠，那么她在甲商场购物多少元就比在乙商场购物优惠？
【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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