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【单选题】
从二极管伏安特性曲线可以看出,二极管两端压降大于 时处于正偏导通状态。A.
0
B.
死区电压
C.
反向击穿电压
D.
正向压降
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举一反三
【单选题】The classification and description of English consonants are based on ________ .
A.
the position of the tongue
B.
the shape of vocal tract
C.
narrow and broad transcription
D.
the place and manner of articulation
【单选题】T he only one palatal sound in English consonants is______.
A.
[r]
B.
[j]
C.
[w]
D.
[l]
【单选题】The classification and description of English consonants are based on________.
A.
the position of the tongue
B.
narrow and broad transcription
C.
the shape of vocal tract
D.
the place and manner of articulation
【简答题】建设是社会主义文化建设的重要内容。A. 社会主义道德
【多选题】English consonants can be classified according to_________.
A.
manner of articulation
B.
place of articulation
C.
articulatory apparatuses
D.
voicing
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