ballpoint

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• 英语翻译By Another One day a young teacher was playing with her five-year-old son.suddenly he grabbed her ballpoint pen and swallowed it."Oh,no!"cried the woman."we must find a school doctor." She took her son,ranout of the house,put him in her car,and drove quickly to the nearest doctor's office.Talking her son by the hand,she rushed into the waiting room and shoutrd to the nurse,"i must see the school doctor immediately." "I'm sorry ,"said the nurse cal
• I have bought three ballpoint pens,none of _____writes smoothly.
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• I have bought three ballpoint pens,none of _____writes smoothly.
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• 长方体的对角线长为3cm,如果同一顶点的两条棱与同一顶点的对角线的夹角都是60度,则长方体的体积是