自定义序列可以通过()来建立。
A.执行“格式→自动套用格式”菜单命令
B.执行“数据→排序”菜单命令
C.执行“工具→选项”菜单命令
D.执行“编辑→填充”菜单命令
参考答案:D
The fire was completely _______ shortly afterwards with the help of the firemen. [ ]
A. cut down
B. put out
C. give out
D. floated away
能正确表示“当x的取值在[1,10]和[100,110]范围内为真,否则为假”的表达式是( )。
A) (x>=1)&&(x<=10)&&(x>=100)&&(x<=110)B) (x>=1)‖(x<=10)‖(x>=100)‖(x<=110)C) (x>=1)&&(x<=10)‖(x>=100)&&(x<=110)D) (x>=1)‖x<=10)&&(x>=100)‖(x<=110)