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【多選題】
2010年溫哥華冬奧會上，中國代表團榮獲5枚金牌、2枚銀牌、4枚銅牌，創歷史最佳成績．下列幾種冬奧會項目中的研究對象可看成質點的是( )
A.
在跳臺滑雪中，研究運動員在空中飛行的軌跡，運動員可看成質點
B.
研究申雪的滑雪動作技巧時，申雪可看成質點
C.
研究王濛500米短道速滑的時間時，王濛可看成質點
D.
研究冰球運動員的動作技巧時，冰球運動員可看成質點
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舉報參考答案：
舉一反三
【單選題】In the old policeman’s opinion, _________.
A.
Hitler was more foolish than pigs
B.
the old man insulted（侮辱）their hometown
C.
the old man had to say sorry to him
D.
the old man had to fight with Hitler
【單選題】Don’t _______. Try again, and you will succeed.
A.
lose your heart
B.
lose the heart
C.
lose heart
D.
lose hearts
【單選題】The boy looks stupid, but _______ he is smart.
A.
in a fact
B.
as a fact
C.
in a matter of fact
D.
as a matter of fact
【單選題】If we say a wife leads her husband by the nose, we probably mean she _____.
A.
loves her husband very much
B.
controls her husband’s actions
C.
gets on well with her husband
D.
does whatever her husband wants her to do
【單選題】His red face suggested he _____ angry and I suggested that he_____ at once.
A.
should be, should leave
B.
was, left
C.
was, leave
D.
be, left
相關題目：
【單選題】In the old policeman’s opinion, _________.
A.
Hitler was more foolish than pigs
B.
the old man insulted（侮辱）their hometown
C.
the old man had to say sorry to him
D.
the old man had to fight with Hitler
【單選題】Don’t _______. Try again, and you will succeed.
A.
lose your heart
B.
lose the heart
C.
lose heart
D.
lose hearts
【單選題】The boy looks stupid, but _______ he is smart.
A.
in a fact
B.
as a fact
C.
in a matter of fact
D.
as a matter of fact
【單選題】If we say a wife leads her husband by the nose, we probably mean she _____.
A.
loves her husband very much
B.
controls her husband’s actions
C.
gets on well with her husband
D.
does whatever her husband wants her to do
【單選題】His red face suggested he _____ angry and I suggested that he_____ at once.
A.
should be, should leave
B.
was, left
C.
was, leave
D.
be, left
參考解析：
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