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【单选题】
某同学在制作小球沿着路径滚动的动画时，发现小球和路径都在滚动，他可能犯的错误是（）。A.
小球元件的中心没有吸附在路径上
B.
没有“调整到路径”选项
C.
路径没有放在运动引导层中，并且可能把路径也做成了元件
D.
没有把小球元件分离
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A.
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premium
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zero coupon
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A.
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B.
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C.
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D.
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E.
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A.
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B.
12%.
C.
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D.
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A.
par
B.
discount
C.
premium
D.
zero coupon
E.
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A.
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B.
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C.
表现在社会形态的内部发展中
D.
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A.
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B.
The second one
C.
Both of the first and the second
D.
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