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【单选题】
在有机化合物中,分子里含有一个或多个( )的碳氢化合物,这类化合物都有自己独特的气味,把它们称作芳香烃,简称芳烃。A.
碳碳双键
B.
碳碳三建
C.
碳碳单键
D.
苯环
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反馈参考答案：
举一反三
【单选题】English consonants can be classified in terms of ____________.
A.
manner of articulation
B.
place of aritculation
C.
force of aritculation
D.
Both A and B
【单选题】English consonants are classified according to _______. Choose the one which is not correct.
A.
the place of articulation
B.
manner of articulation
C.
voicing
D.
the openness of the mouth
【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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