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【多选题】
当 用观察法 研究 学生 每天在食堂中的各类行为和现象时,以下哪些内容你认为是有必要获取到的( )
A.
学生在食堂是买的何种食物,价格怎么样
B.
选择时的犹豫程度
C.
就餐时是否对食物流露出 “ 喜爱 ” 或 “ 嫌弃 ” 的表情
D.
选择在食堂就餐还是打包
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举一反三
【单选题】Why is the husband able to make adjustment to the change Elisa has been through?
A.
He is overwhelmed by her transformation
B.
He loves Elisa no matter what kind of transformations she is through
C.
The tractor shed reminds him of his bread-winner status in the family
D.
He is used to her whims
【单选题】Why is the husband able to make adjustment to the change Elisa has been through?
A.
He is overwhelmed by her transformation
B.
The tractor shed reminds him of his bread-winner status in the family
C.
He loves Elisa no matter what kind of transformations she is through
D.
He is used to her whims
【单选题】纠错码适合的传输环境是
A.
小概率、随机传输错误
B.
高可靠传输环境
C.
大概率、单位传输错误
D.
大概率、随机传输错误
【单选题】在OSI七层模型中,网络层的功能有 ( )
A.
确保数据的传送正确无误
B.
确定数据报如何转发和路由
C.
在信道上传送比特流
D.
纠错和流控
【单选题】Of all my friends ____will be able to persuade Tom to change his mind. He is so firm upon it.
A.
some
B.
anyone
C.
none
D.
neither
【单选题】Of all my friends _____ will be able to persuade Tom to change his mind. He is so firm upon it.
A.
none
B.
nobody
C.
neither
D.
no one
【多选题】在OSI七层模型中,下列不是网络层的功能的有( )。
A.
确保数据的传送正确无误
B.
确定数据包如何转发与路由
C.
在信道上传送比特流
D.
纠错与流控
【单选题】纠错码适合的传输环境是。
A.
高可靠传输环境
B.
大概率、单位传输错误
C.
大概率、随机传输错误
D.
小概率、随机传输错误
【单选题】Was isst er am liebsten
A.
Tofu und Reis
B.
Fleisch und Kartoffeln
C.
Tofu und Nudeln
【多选题】在OSI七层模型中,下列不是网络层的功能的有( )。
A.
确保数据的传送正确无误
B.
确认数据包如何转发与路由
C.
在信道上传送比特流
D.
纠错与流控
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