依法治国是现代社会的重要标志。 ( )
参考答案：对
_______ I admit that there are still some problems about the traffic in this area, I don't mean that it can't be solved.
A．While
B．Until
C．Unless
D．As
两个二进制数1001和111的和为______。
A．10001
B．10110
C．1111
D．10000
