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【多選題】
下列關(guān)于汽車運(yùn)動(dòng)的論述，不正確的是（ ）
A.
汽車以額定功率啟動(dòng)后做變加速運(yùn)動(dòng)，速度、加速度均逐漸增大
B.
汽車以額定功率啟動(dòng)后做變加速運(yùn)動(dòng)，速度逐漸增大，加速度逐漸減小；加速度為0時(shí)，速度最大
C.
汽車勻速行駛時(shí)最大允許速度受發(fā)動(dòng)機(jī)額定功率限制，要提高最大允許速度，必須增大發(fā)動(dòng)機(jī)的額定功率
D.
汽車在水平路面上以額定功率P行駛，則當(dāng)牽引力F與阻力f平衡時(shí)，汽車的最大速度vm=P/f
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舉報(bào)參考答案：
舉一反三
【單選題】Why have there been a lot of criticisms?
A.
The modem world demands more and more.
B.
Scientists have a negative attitude.
C.
Many scientists arrive at their conclusions (結(jié)論) too fast.
D.
Griffiths does not believe what scientists say.
【單選題】American music is ______.
A.
for dancing, drinking, eating, loving and shopping
B.
a mixture of people and music from all over the world
C.
American’s most important export
D.
a part of the history of the world
【單選題】The fifth paragraph probably means that ______.
A.
American music is very popular
B.
American music is known by people all over the world
C.
American music can help us understand American people, their history and culture
D.
American music is important in our lives
【單選題】Through the publication of the General Theory of Relativity, Newton’s Theories turned out to be ______.
A.
not so perfect
B.
completely wrong
C.
very safe
D.
very exact
【單選題】I don’t like doors in apartment blocks that are ______ each other so sometimes people may mistake one for another.
A.
different from
B.
similar to
C.
far from
D.
compared to
相關(guān)題目：
【單選題】Why have there been a lot of criticisms?
A.
The modem world demands more and more.
B.
Scientists have a negative attitude.
C.
Many scientists arrive at their conclusions (結(jié)論) too fast.
D.
Griffiths does not believe what scientists say.
【單選題】American music is ______.
A.
for dancing, drinking, eating, loving and shopping
B.
a mixture of people and music from all over the world
C.
American’s most important export
D.
a part of the history of the world
【單選題】The fifth paragraph probably means that ______.
A.
American music is very popular
B.
American music is known by people all over the world
C.
American music can help us understand American people, their history and culture
D.
American music is important in our lives
【單選題】Through the publication of the General Theory of Relativity, Newton’s Theories turned out to be ______.
A.
not so perfect
B.
completely wrong
C.
very safe
D.
very exact
【單選題】I don’t like doors in apartment blocks that are ______ each other so sometimes people may mistake one for another.
A.
different from
B.
similar to
C.
far from
D.
compared to
參考解析：
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