题目

根据短文内容和所给中文提示写单词,每空一词。   Full Moon, Full Feelings Chinese people have been celebrating Mid-Autumn Festival and enjoying mooncakes for   1    (百) of years. Mooncakes look   2    (像) a full moon on Mid-Autumn night. They carry people’s wishes to the families they love and    3   (想念). There are many traditional folk   4    (故事) about this festival. However, most people think that the story of Chang’e is the most touching. Chang’e was Hou Yi’s beautiful wife. After Hou Yi shot down the nine suns, a goddess如图所示,物体放在轻弹簧上,沿竖直方向在P、Q之间做简谐运动.在物体沿DC方向由D点运动到C点的过程中(D、C两点在图上没有标出),弹簧的弹性势能减少了3.0 J,物体的重力势能增加了1.0 J.则在这段过程中(  )A.物体经过D点时运动方向是指向平衡位置的B.合外力对物体做的功是 4.0 JC.D点的位置一定在平衡位置以下D.物体经过D点时的加速度正在增大
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