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【单选题】
采用选择重发法,序号采用3比特编码,接收窗口大小为3,窗口内最小序号为6并且接收缓冲区全空时,接收到正确的6号帧后紧接着接收到正确的0号帧,此时对0号帧应该( )。A.
丢弃
B.
缓存
C.
递交高层
D.
直接处理
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反馈参考答案：
举一反三
【简答题】V ocabulary. Complete each sentence with the correct word. 1. It is important to make the right ______ during an interview. A. employment B. mark C. job D. impression 2. The money you g...
【多选题】According to some experts, one’s spoken English can be assessed by 3 aspects ( )
A.
P ronunciation
B.
V ocabulary
C.
G rammar
D.
Tone
【简答题】V ocabulary. Complete each sentence with the correct word. 1. If your food is __________, this means it has been cooked too long. A . raw B . burnt C . overcooked D . medium-rare 2 . __...
【简答题】读一读，连一连。 eleven seven four thir eight
【多选题】What are tips for listening test?
A.
Listen to many pieces of materials one time.
B.
Ⅴocabulary is the basic.
C.
Follow your own pace.
D.
Keep on practicing every day.
【简答题】读一读,连一连。
【简答题】作业 1: 熟读并记忆 标记词组, 并写出黄色词块的中文意思。为求方便, 同学们可以写在作业本上,拍照上传到学习通。 a tedious oddity : be obliged to: be absorbed in: be allergic to: get serious about: searched the heavens for the right words: t he civiliza...
【简答题】V ocabulary. Complete each sentence with the correct word or expression. 1. It is not good to ______ with your mouth open. A. apologise B. chew C. speak D. help 2. Use a handkerchief i...
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