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【单选题】
档案被称为“历史文明之母”,“文明之母”是因为档案具有()
A.
信息加工功能
B.
信息回溯功能
C.
知识贮存与传播功能
D.
查考备用功能
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【简答题】ADC0809 的分辨率是 _ _ ,若接入的参考电压为 5 .1 V ,则它能分辨的最小输入电压为 _
【多选题】题目: 抑制性突触后电位能抑制运动神经元是因为 编号: CHJXAQB
A.
使膜电位绝对值增大
B.
改变神经元的阈电位
C.
后膜超极化
D.
后膜产生IPSP
【单选题】We building the bridge by the end of next month. (B201212)
A.
are finishing
B.
have finished
C.
would finish
D.
will have finished
【简答题】We started building the factory last___.
【单选题】We building the bridge by the end of next month.
A.
are finishing
B.
have finished
C.
would finish
D.
will have finished
【单选题】ADC0809的分辨率是 ,当满量程电压为10V时,其最小分辨电压为 。
A.
8位、39.2mV
B.
8位、19.6mV
C.
12位、39.2mV
D.
12位、19.6mV
E.
10位、39.2mV
F.
10位、19.6mV
【单选题】We building the bridge by the end of next month. (201212)
A.
are finishing
B.
have finished
C.
would finish
D.
will have finished
【判断题】As we approached the work site, the workers were seen building the new house.
A.
正确
B.
错误
【单选题】ADC0809 的分辨率是 _______ ,当满量程电压为 10V 时,其最小分辨率电压为 _________
A.
8 位, 39.2mV
B.
8 位, 19.6mV
C.
12 位, 39.2mV
D.
12 位, 19.6mV
【简答题】ADC0809 的分辨率是 _ _V ,若接入的参考电压为 5 .1 V ,则它能分辨的最小输入电压为 _V
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