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【多選題】
關于質點的概念,下面敘述正確的是（ ）
A.
任何細小的物體都可以看作質點。
B.
任何靜止的物體都可以看作質點。
C.
在研究某一問題時，一個物體可以視為質點，那么在研究另一個問題時，該物體也一定可視為質點。
D.
一個物體可否視為質點，要看所研究問題的具體情況而定。
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舉報參考答案：
舉一反三
【單選題】What did the woman do last weekend?
A.
Went for a picnic.
B.
Went camping.
C.
Went to a gym.
【單選題】When you join a large beach volleyball team, you’ll_________.
A.
have as many shots as possible
B.
improve your volleyball skills
C.
be responsible for more ground
D.
feel light-hearted(輕松)while playing
【單選題】What does the writer think of beach volleyball?
A.
It is a difficult sport to learn.
B.
It is a very exciting and interesting sport.
C.
It is a sport which needs less power.
D.
It is a sport which needs more skills.
【單選題】Only in this way _______ the problem.
A.
can you solve
B.
solve you can
C.
you can solve
D.
do you can solve
相關題目：
【單選題】What did the woman do last weekend?
A.
Went for a picnic.
B.
Went camping.
C.
Went to a gym.
【單選題】When you join a large beach volleyball team, you’ll_________.
A.
have as many shots as possible
B.
improve your volleyball skills
C.
be responsible for more ground
D.
feel light-hearted(輕松)while playing
【單選題】What does the writer think of beach volleyball?
A.
It is a difficult sport to learn.
B.
It is a very exciting and interesting sport.
C.
It is a sport which needs less power.
D.
It is a sport which needs more skills.
【單選題】Only in this way _______ the problem.
A.
can you solve
B.
solve you can
C.
you can solve
D.
do you can solve
參考解析：
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