【判断题】虹吸壶下壶的清洁一定要保证外壁没有水渍。
【单选题】要强制显示声明变量,可在窗模块或标准模块的声明段中加入语句______。
【简答题】离心式制冷机组常用的能量调节方法有哪些?
【判断题】虹吸壶下壶的清洁一定要保证外壁没有水渍。
【单选题】Tom to enter the hall, so he was very angry. [ ]
【单选题】Yesterday morning ,Jim hurried to the station .He was very angry __ the train had just left. [ ]