【多选题】下列各类混合成本不可以表达成方程y=a+bx的是( )
【简答题】请将P30页的1,2,4,5题,包括日语题干和回答部分,以句子朗读录音的形式上传至网络教学平台。(请确保附件可以下载)。
【单选题】What a pity! Considering his ability and experience, he______it better.
【简答题】—Do you have the experience like that? —Well,I’ve done the work before,so I know what _________ in my new job here. A.expected B.expecting C.to expect D.to be expecting
【简答题】A.His bitter experience abroad. B.What he saw in the Asian countries. C.Made-up stories based on his imagination. D.The stories about his family.
【单选题】以下关于通信基本概念的描述错误的是
D.
通信网络主要包含传输、交换和终端等三类设备,所有设备按照通信协议协调工作
【单选题】Please keep an eye on my luggage, and I‘ 11 be back __________.
【单选题】What can we learn from small children's experience in learning their mother tongues?
A.
We must live in England or America.
B.
We must keep on practicing.
C.
We must get help from good teachers, records, tapes, books and dictionaries.