A、主动式标签(TTF)
B、被动式标签(RTF)
C、有源Active标签
D、无源Passive标签
According to the passage, hammocks ______.
A.cannot be rolled up
B.are difficult to transport
C.are never brought to the plantations
D.can be kept dry while the ground is wet
A.正确
B.错误
A、Active控件必须安装在Windows操作系统上使用
B、Active控件可以在所有浏览器上运行
C、由恶意Active控件运行后,可格式化硬盘
D、Active控件不能被控制和管理