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搜题
【单选题】
下列注音有误的一项是?A.
五卅(sà) 锭(dìng)壳
B.
淀(diàn)粉 皮辊(kǔn)
C.
蹒跚(pánshān) 骷髅(kūlóu)
D.
怔(zhèng) 住 包身契(qì)
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反馈参考答案：
举一反三
【简答题】对于一个放大电路来说,一般希望其输入电阻 _____, 以减轻信号源的负担;对于一个放大电路来说,一般希望其输出电阻 _____, 以增大带负载的能力。
【多选题】Listen to the excerpt from Listening 2. Choose the phrases Tom uses.
A.
I didn’t catch that.
B.
Could you say that again, please?
C.
Could you repeat that?
D.
Do you mean ... ?
【单选题】Choose the correct words or phrases to complete the sentences. I would have told him the answer ____, but I was so busy then.
A.
was it to be possible
B.
had it been possible
C.
would it have been possible
D.
did it be possible
【多选题】输出反馈: 下列错误的说法是()
A.
采用输出矢量y构成线性反馈律H为输出反馈增益阵
B.
采用输入矢量y构成线性反馈律H为输出反馈增益阵
C.
采用输出矢量y构成线性反馈律H为输入反馈增益阵
D.
采用输入矢量y构成线性反馈律H为输入反馈增益阵
【多选题】Watch the video. Choose the phrases you hear.
A.
children
B.
adults
C.
winter
D.
summer
E.
many vacations
F.
year round
G.
cities
H.
farms
I.
parents
J.
educators
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