【单选题】【消耗次数：1】
为了便于识别，硅酸盐水泥和普通水泥包装袋上要求用（ ）。
①
黑字印刷
②
绿字印刷
③
红字印刷
④
蓝字印刷
参考答案：
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相关题目
【单选题】
通用硅酸盐水泥的主要组分包括（ ）。
①
硅酸盐水泥熟料、石膏和混合材料
②
硅酸盐水泥生料、石膏和混合材料
③
石灰、石膏和混合料
④
硅酸盐水泥熟料、石灰和混合材料
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strange ?
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To their surprise, they had much ____ and they even went to the same college. ?
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in the same ?
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in common ?
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all the same ?
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common things ?
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much
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cheap
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it must have rained ?
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?it must rain ?
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it must be raining ?
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to have destroyed
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risen
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