竣工图编制必须使用专业绘图工具、碳素墨水书写和绘制,不得使用其它墨水和颜色的笔绘制。
参考答案:对
已知函数f(x),g(x)同时满足:g(x-y)=g(x)g(y)+f(x)f(y);f(-1)=-1,f(0)=0,f(1)=1,求g(0),g(1),g(2)的值.
Mr. Smith got a ticket on his way home because he had failed to ________ at a red light.
A.work out
B.pull out
C.look up
D.pull up