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【单选题】
我国宪法规定的政治权利不包括( )A.
社会经济权
B.
选举权利
C.
表达权
D.
民主管理权
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【多选题】关于声音,以下说法错误的是( )
A.
声音的音强由声速决定
B.
声音的音调由频率决定
C.
声音的音色由振幅决定
D.
人耳能听到的声音频率范围为20-20000HZ。
【单选题】— Let's clean the desks and chairs. — _________________ [ ]
A.
They are desks and chairs.
B.
All right.
C.
You are right.
【单选题】On both sides of the river bank _______. [ ]
A.
stands rows of huts
B.
stood rows of huts
C.
do rows of huts stand
D.
did rows of huts stand
【单选题】In the formula for determining the number of rows in a truth table, r=2n, what does the n represent?
A.
number of letters in the symbolization
B.
number of rows in the truth table
【单选题】cheers/chairs
A.
There are loud cheers out there.
B.
There are a lot of chairs out there.
【多选题】There are different kinds of sedan chairs, such as ______.
A.
official sedan chairs
B.
civilian sedan chairs
C.
wedding sedan chairs
D.
soul sedan chairs
【简答题】句型转换。 1. Is the CD on the sofa? (做肯定回答) _________________________________ 2. Are the chairs next to the table?(做否定回答) _________________________________ 3. on, T-shirt, the, his, is, bed (连词成句) _______...
【多选题】关于声音,以下说法错误的是( )
A.
声音的音调由频率决定
B.
声音的音强由声速决定
C.
声音的音色由振幅决定
D.
人耳能听到的声音频率范围为20-20000HZ。
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