作文: AA 讲 某个grocer 为了increase profit和cut cost采取如下措施:lay off 10% employee and eliminate expensive free sample,并且决定和一个coffee shop合作,理由是coffee shop and the grocer can attract similar customers,thus can expect an increase in sales and higher profits.(大概是这样,我没看完题库,所以不知道有没这道题) AI In the interest of national security,the governments should have the access to its' citizens library checkouts and internet activites. 数学: 1.7^381除以5的余数是多少 2.DS (x+y)/4是偶数吗? (1)x+y是整数 (2)忘了...对不起 3.求下图面积 其中A(0,0)B(0,8)C(4,6)D(6,8) [attachimg=201,113]78053[/attachimg]