通道是一种(54)。
A. I/O端口
B. 数据通道
C. I/O专用处理机
D. 软件工具
Processing sewage requires large quantities of ______.
A. water
B. electricity
C. gas
D. oil
某电视台拟将他人已出版的《卫生小常识》VCD光盘在该电视台的“生活”节目中播放，那么，该电视台(44)。
A. 可以不经该VCD光盘出版者许可，但必须向其支付报酬
B. 既不必经该VCD光盘出版者许可，也不必向其支付报酬
C. 既须经该VCD光盘出版者许可，也须向其支付报酬
D. 只须经该VCD光盘出版者许可，但不必向其支付报酬
What does the findings of the experiment imply？
A. Errors are more likely when a referee keeps close to the ball
B. The farther the referee is from the incident, the more the errors
C. The more slowly the referee runs, the more likely will errors occur
D. Errors are less likely when a referee stays in one spot
微信支付 
支付宝支付