设原图形的比例为1:10,将其局部结构放大5倍,局部放大图应标明的比例为()。
A.5:1;
B.2:1;
C.1:2;
D.1:5;
参考答案:C
One of our rules is that every student ________ wear school uniform while at school.(2012·辽宁)
A.might
B.could
C.shall
D.will
我国对国际船舶无线电话的岸台费按分钟收取,甚高频每分钟收取:()
A.3.4GFS
B.4.4GFS
C.7.4GFS
D.3.7元