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【单选题】
Why do many people like vegetable gardening?A.
Because gardening is something like art and science.
B.
Because they regard it as a productive activity.
C.
Because it gives them pleasure to spend time in winter.
D.
Because vegetables can grow in gardens even in winter.
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【单选题】He plays basketball every day. And now he is playing piano at home. [ ]
A.
the; the
B.
/; /
C.
the; /
D.
/; the
【单选题】共模抑制比 K CMR 是( )之比。
A.
差模输入信号与共模输入信号
B.
输出量中差模成分与共模成分
C.
差模放大倍数与共模放大倍数
D.
交流放大倍数与直流放大倍数
【单选题】He takes his ______ home to his wife every Friday.
A.
salaries
B.
wages
C.
incomes
D.
savings
【单选题】共模抑制比 K CMR是 之比。
A.
差模输入信号与共模输入信号
B.
输出量差模成分与共模成分
C.
交流放大倍数与直流放大倍数（绝对值）
D.
差模放大倍数与共模放大倍数（绝对值）
【单选题】He lives far from his school. So every day He _______. [ ]
A.
takes a bus home
B.
takes a bus to home
C.
goes to home by bus
D.
by bus home
【单选题】What did the man do every Sunday?
A.
He was taken to church three times.
B.
He stayed at home all day.
C.
He played in the street,
【单选题】共模抑制比 K CMR 是【 】之比。
A.
差模输入信号与共模输入信号之比 ；
B.
输出量中差模成分与共模成分；
C.
差模放大倍数与共模放大倍数；
D.
交流放大倍数与直流放大倍数
【单选题】共模抑制比 K CMR 是__之比。
A.
交流放大倍数与直流放大倍数（绝对值）
B.
输出量差模成分与共模成分
C.
差模输入信号与共模输入信号
D.
差模放大倍数与共模放大倍数（绝对值）
【单选题】共模抑制比 K CMR 是 ( )
A.
差模输入信号与共模输入信号之比
B.
输入量中差模成份与共模成份之比
C.
差模放大倍数与共模放大倍数 ( 绝对值 ) 之比
D.
交流放大倍数与直流放大倍数 ( 绝对值 ) 之比
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