低碳钢含碳量为()。
A.≤0.25%
B.0.25-0.6%
C.>0.6%
D.>0.8%
参考答案:A
Tony is a quiet boy and he is accustomed ______ at meals, which is always appreciated.
A.not to talk
B.to not talk
C.to not talking
D.not to talking
以window7为例,建立宽带连接,以下操作步骤正确的是()。
(1)点击“网络和共享中心”;
(2)点击“网络和Internet”;
(3)选择“连接到Internet”,单击“下一步”;
(4)点击“设置新的连接或网络”;
(5)打开“开始”菜单,点击“控制面板”;
(6)单击“宽带(PPPoE)”;
(7)输入相关ISP提供的信息后点击“连接”即可;
A、(5)(2)(3)(1)(4)(6)(7)
B、(5)(2)(1)(4)(3)(6)(7)
C、(5)(1)(3)(2)(4)(7)(6)
D、(5)(4)(1)(2)(3)(6)(7)