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【多选题】
一个完整的数据通信系统由哪几部分组成
A.
发送方
B.
接收方
C.
介质
D.
报文
E.
协议
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举一反三
【单选题】下列关于Word中数据排序的叙述,正确的是______。
A.
表格中数据的排序依据只能是列
B.
表格中数据的排序只能按升序进行
C.
表格中数据的排序依据可以是行
D.
表格中数据的排序只能按降序进行
【简答题】Read the statements. Then listen to a conversation and fill in the blanks about why the people in the conversation were late for the meeting. Alex got 1)_______ with a 2) _______. David waited for 3)_...
【简答题】Mary got a little white lamb. She tied it to a tree in her field during the day and went to take it home every evening. One evening, she found the lamb gone. Someone had cut the rope and stolen the la...
【判断题】橡胶按加工时掺入物质的不同进行分类。( )
A.
正确
B.
错误
【多选题】养殖用水的化学处理主要有( )以及消毒法和脱氮法 。
A.
重金属的去除
B.
硬水的软化
C.
氧化还原法
D.
气浮法
【简答题】Alex got a ____________ to support his dream to __________ his family's history to the first Africans brought to America as slaves.
【判断题】矿物性染发剂是目前大力提倡使用的安全染发剂。
A.
正确
B.
错误
【单选题】Why haven’talways busy with the computer games.
A.
Amina and Alex got the chance to speak?
B.
Because Amina is always busy after class.
C.
Because Alex is always busy with the computer games.
D.
Because Alex is always busy after class.
【单选题】Alex got fired. – ______? He is devoted to his work. That’s unfair!
A.
What’s up
B.
How is it going
C.
Then what
D.
How come
【简答题】Alex got (1)___________ with a (2)_____________.
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