现规定一种运算:a※b=ab+a-b,其中a、b为有理数,则2※(-3)( )A. -6 B. -1 C. 5 D. 11 答案:【答案】B【解析】读懂题意,掌握运算规律,按运算规律计算.解:2※(-3)=2×(-3)+2-(-3)=-6+2+3=-1.故选B.( ) 4. When people mention planes, it will remind the parents their daughter on the Malaysian Airlines plane MH370. A. with B. for C. in D. of