【单选题】拆卸风扇皮带时,工作人员手上不能有油、水等黏附物,防止安装后皮带( )答案
【简答题】Hi,I’d like to buy ___ umbrella.
【单选题】利用各种统计数据及现有资料寻找准顾客的方法是( )
【多选题】从系统架构来看,笔记本和台式机的主要差别有:
【简答题】Listen and complete the conversation. Customer: Hi, I’d like to buy this keyboard. Salesperson: Great! Can I also 1 ______ ______ in a new mouse? Customer: No. That’s okay. I’m pretty happy with 2 ___...