图文电视是现有的广播电视设备采用数字技术将图文信息插入视频信号（）期间内传输的。
参考答案：场消隐
--- Have you been wasting time on cartoons again?
--- __________. I’ve been working all the time and I need a break.
A．I couldn’t agree more
B．No way
C．Not really
D．That’s all right.
细木工板沿板长度方向，相邻两排芯条的两个端接缝的距离不小于（）。
A、20mm
B、50mm
C、30mm
D、40mm
