问答题 18. (urge) The ____[填空1]___ of stopping family violence is perhaps the most important issue for everyone involved.

单项选择题 串行传输的优点是 A、多条信道 B、不需同步 C、传输距离长 D、传输快

单项选择题 Chinese usually eat noodles with ____.  A. chopsticks B. spoon C. knife D.  fork