25×17×4×20×5=(25×4)×17×(20×5)运用了[ ]
A.乘法交换律
B.乘法结合律
C.乘法交换律和结合律
答案:C
中国画在构图方法上不受焦点透视的束缚,多采用()透视法(即可移动的远近法),使得视野宽广辽阔,构图灵活自由。
In order to gain a bigger share in the international market, many staterun companies are ________to
make their products more competitive.[ ]
A. starving
B. struggling
C. playing
D. gathering