【简答题】They were ________ in their scientific research, not knowing what happened just outside their lab. A) submerged B) drowned C) immersed D) dipped
【单选题】They were ______ in their scientific research, not knowing what happened just outside their lab.
【单选题】若有以下定义 , 则语句 ( ) 是正确的。 union data {int i; char c; float f; }a; int n;
【单选题】游标量具中,主要用于测量工件的高度尺寸和进行划线的工具叫 ( ) 。
【单选题】( )不属于刀具功能( T 功能)的作用。
【单选题】有人说,“辛亥革命是一朵不结果实的花。”那么,辛亥革命“不结果实”的表现是( )。
【单选题】They were _______ in their scientific research, not knowing what happened just outside their lab.
【多选题】微课相较于传统课程的主要优势有哪些?
B.
节约课堂讲授时间,将更多时间聚焦在学生问题解决和应用上