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【单选题】
● （74） is used to communicate with another computer over telephone lines. （74）A.
Keyboard
B.
Modem
C.
Mouse
D.
Printer
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举一反三
【单选题】The nose is in front of ears so the nose is _________to ears.
A.
superior
B.
inferior
C.
anterior
D.
posterior
【单选题】Read the paragraph from the article. The floating device is designed to be tied down in rivers. It has a shaped nose to keep away larger floating items, like tree trunks. The Interceptors work by guid...
A.
It shows what problems the "Interceptor" still has.
B.
It explains how the "Interceptor" cleans the rivers.
C.
It shows which countries are using the "Interceptor."
D.
It explains people's reactions to the "Interceptor."
【简答题】什么是音频放大电路?
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