【简答题】受力构件内一点附近取一微元体,承受应力如图所示,其中【图片】,试求该点最大切应力为多少MPa?(填写数字) 【图片】
【简答题】分析:以下案例采取的是何种促销方式? 案例1 可口可乐公司的“酷儿”产品在北京上市时,由于产品定位是带有神秘配方的5~12岁小孩喝的果汁,价格定位也比果汁饮料市场领导品牌高20%。当时,市场竞争十分激烈,很多企业都大打降价牌。最终,可口可乐公司走出了促销创新的新路子:既然“酷儿”上市走的是“角色行销”的方式,那我们就来一个“角色促销”。于是,“酷儿”玩偶进课堂派送“酷儿”饮料和文具盒,买“酷儿”饮...
【简答题】果树的芽,依芽体外有无鳞片包被分为鳞芽和()
【单选题】£ Here are some time markers often used with the past simple (PS) or the present perfect (PP). Choose PS or PP for the following words. Some can be used with both. already
【单选题】£ Here are some time markers often used with the past simple (PS) or the present perfect (PP). Choose PS or PP for the following words. Some can be used with both. never
【单选题】£ Here are some time markers often used with the past simple (PS) or the present perfect (PP). Choose PS or PP for the following words. Some can be used with both. in 2007
【单选题】£ Here are some time markers often used with the past simple (PS) or the present perfect (PP). Choose PS or PP for the following words. Some can be used with both. just