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【多選題】
機車拉列車時，機車和列車之間的相互作用的分析正確的是（ ）
A.
機車沒能拉動列車時，是由于機車拉列車的力小于列車拉機車的力
B.
機車拉動列車勻速直線運動時，機車拉列車的力與列車拉機車的力相互平衡
C.
機車拉列車加速前進時，機車拉列車的力一定大于列車拉機車的力
D.
機車拉列車動或不動，勻速前進還是加速前進，機車拉列車的力與列車拉機車的力總是大小相等、方向相反的，因為它們是一對相互作用力
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舉報參考答案：
舉一反三
【單選題】Every person needs water and a diet of healthy food ______some fat, some fibre and a little salt .
A.
gaining
B.
containing
C.
keeping
D.
including
【單選題】He insisted he_ _ ill , but I suggested medical care_ ____to him .
A.
wasn’t/was given
B.
was/was given
C.
wasn’t/be given
D.
was/should given
【單選題】He apologized ________ late.
A.
to his teacher to arrive
B.
at his teacher for arriving
C.
at his teacher to arrive
D.
to his teacher for arriving
相關題目：
【單選題】Every person needs water and a diet of healthy food ______some fat, some fibre and a little salt .
A.
gaining
B.
containing
C.
keeping
D.
including
【單選題】He insisted he_ _ ill , but I suggested medical care_ ____to him .
A.
wasn’t/was given
B.
was/was given
C.
wasn’t/be given
D.
was/should given
【單選題】He apologized ________ late.
A.
to his teacher to arrive
B.
at his teacher for arriving
C.
at his teacher to arrive
D.
to his teacher for arriving
參考解析：
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