positive: 1、首先按win键打开开始菜单,启动ie浏览器:<br>2、进入浏览器首页点击上方的工具,选择Internet选项进入:<br>3、在Internet选项中点击安全选项卡中,切换到安全选项卡下:<br>4、然后在安全选项中的该区域安全级别中点击自定义级别按钮:<br>5、接着勾选下载已签名的Activex控件和下载未签名的Activex控件栏的复选框选择为启用:<br>6、最后安全级别选择中,点击确定按钮,重新启动计算机即可重新开启activex的控件:
negative: He is a student<br>He is tall.<br>He is over there.<br>He is in the classroom.<br>He is to go there tomorrow.<br>This is why he is late.<br>The boy seems to be watching TV.<br>He appears fifity.<br>They remain to be in the reading room.<br>The book proves to be usefull.<br>They were all very excited<br>The reason why he was late was that he had failed to catch the bus.<br><br>如不明白请追问,如果满意请【采纳】<br><br>祝学习进步