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【單選題】
一質量為1kg的物體被人用手由靜止豎直向上提升1m，速度增加到2m/s。下列說法中錯誤的是（取g=10 m/s2）
A.
提升過程中手對物體做功12J
B.
提升過程中合外力對物體做功力2J
C.
提升過程中合外力對物體做功12J
D.
提升過程中物體克服重力做功10J
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舉報參考答案：
舉一反三
【單選題】________ we’ll go camping tomorrow depends on the weather.
A.
If
B.
Whether
C.
That
D.
When
【單選題】What does this passage mainly tell us?
A.
Eiffel designed many different kinds of things.
B.
The reasons why many people know the Eiffel Tower.
C.
Some opinions that the Eiffel Tower should not be built then.
D.
Some interesting facts about the Eiffel Tower.
【單選題】The French Revolution was important to the French because ____.
A.
it ended the rule of kings
B.
it got rid of a bad king
C.
it gave France a new queen
D.
they built the Eiffel Tower 100 years later
【單選題】He was about to tell me the secret ________ someone patted him on the shoulder.
A.
as
B.
until
C.
while
D.
when
【單選題】The Eiffel Tower is easy to remember because of its __.
A.
shape
B.
color
C.
height
D.
history
相關題目：
【單選題】________ we’ll go camping tomorrow depends on the weather.
A.
If
B.
Whether
C.
That
D.
When
【單選題】What does this passage mainly tell us?
A.
Eiffel designed many different kinds of things.
B.
The reasons why many people know the Eiffel Tower.
C.
Some opinions that the Eiffel Tower should not be built then.
D.
Some interesting facts about the Eiffel Tower.
【單選題】The French Revolution was important to the French because ____.
A.
it ended the rule of kings
B.
it got rid of a bad king
C.
it gave France a new queen
D.
they built the Eiffel Tower 100 years later
【單選題】He was about to tell me the secret ________ someone patted him on the shoulder.
A.
as
B.
until
C.
while
D.
when
【單選題】The Eiffel Tower is easy to remember because of its __.
A.
shape
B.
color
C.
height
D.
history
參考解析：
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