题目内容

电路理论中,二孔插座可等效为一个电压源。

A. 对
B. 错

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He gave us____ on how to keep fit. A. some advices B. some advice C. an advice D. a advice

A. some advices
B. some advice
C. an advice
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Some ___ came to our school for a visit that day.

A. Germans
B. Germen
C. Germany
D. Germanies

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A. room
B. a room
C. rooms
D. the room

景别通常是指( )在画面中所呈现的范围通常来说,景别大致分为大远景、远景,大全景、全景、( )、中近景、近景、特写和大特写。

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