【多选题】数量验收时,在下列情形下可进行抽验检验( )
【简答题】Jean doesn’t want to work right away because she thinks that if she __________ a job she probably wouldn’t be able to see her friends very often. A) has to get B) were to get C) had got ...
【简答题】JDK提供了一个专门用来操作集合的工具类,这个类是【】
【单选题】After a second thought, Jean a better method to deal with the problem.
【简答题】民俗形成的原因有哪些?主要有哪些基本特征?
【单选题】控制器的比例度越大,则放大倍数越( ),比例作用越( )。