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【单选题】
Gigma-delta 型 ADC 模块可将输入电压转换为()信号,然后利用数字滤波器转换为数字信号。A.
脉冲宽度信号
B.
模拟信号
C.
数字信号
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【单选题】There is a river near where he lives.(选出从句部分)
A.
There is a river .
B.
where he lives.
【单选题】He lives ________ six floors ________ me .
A.
/ , above
B.
at, below
C.
in, near
D.
on, from
【简答题】阅读理解。(正确的用 'T'，错误的用 ' F'表示) Lucy is my friend, She lives in a small house near a park in London. I am eleven. Lucy is eleven, too. Lucy does not study Chinese. She studies English, Maths, Science and...
【简答题】阅读理解。 Jimmy lives in the country（乡村）, and he loves playing in the river near his house, but his father gets a job in a big city（城市）, and he moves there with his family. Their new house has a garden, b...
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