【单选题】哪种类型的沟通中断表明家庭功能严重障碍?
【单选题】What happens on the day before the sports day?
A.
Many people wear colored clothes.
B.
The sports field is well prepared for the special event.
C.
People are having a big festival.
【判断题】只有挑选过的,分析过的,比较过的数据,才是有价值的。
【简答题】完成223 例8.2: 分析理解为什么变量a、b的值没有交换