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【单选题】
下面关于孪生与说法正确的是 ________ 。A.
孪生使一部分晶体发生了不均匀的切变，而产生了均匀的切变。
B.
后晶体各部分位向发生变化。
C.
孪生对塑性变形的贡献比的多。
D.
孪生的临界分切应力高的多。
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反馈参考答案：
举一反三
【单选题】下列不属于食品添加剂的作用的是?
A.
食用油中添加特丁基对苯二酚（TBHQ）防止食品氧化
B.
橙汁中添加柠檬黄改善色泽
C.
酱油中添加铁提高营养
D.
发霉的大米添加石蜡改善光泽
【单选题】某橡胶制品厂(增值税一般纳税人)3月份销售生活用橡胶制品113万元(含税),销售避孕用具50万元,当月购入生产用原材料一批,取得增值税专用发票上注明税款6.4万元,生活用橡胶制品与避孕用品无法划分耗料情况,则该橡胶制品厂当月应纳增值税是( )万元。
A.
13.87
B.
8.73
C.
9.6
D.
18.13
【简答题】_____1.The river had become so large and so full because of the rainfall that it was now like an angry monster. _____2.Just as the old car was big, the glass was thick, so the hammer could hardly brea...
【简答题】There were several expensive suits in the wardrobe. to attach something, or to be attached, at the top so that the lower part is free or loose ) *Change the form of the words if necessary.
【简答题】α-螺旋结构特征中,其上升一个螺距是 nm。
【简答题】There were several expensive suits in the wardrobe. to attach something, or to be attached, at the top so that the lower part is free or loose )
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