题目

小彤家请客，她发现餐桌中央放着一瓶未开启的红酒，于是用家中的磅秤称出其总质量为2kg，还测算出瓶底面积是40cm2。(g取10N／kg)请你帮她算一算这瓶红酒对桌面的压力和压强分别是多少? 答案：F=G=mg=2kg×10N／kg=20NPa=5000Pa根据短文内容和所给汉语提示，写出短文空白处各单词的正确形式。每空限填一词。Cindy is my 【1】 （妹妹）. She is 13. She likes 【2】 _（西红柿） for breakfast. She has classes from Monday to 【3】 （星期五）. She is very 【4】 (忙碌的). She has four classes in the morning and 【5】 (二) classes in the afternoon. Her classes 【6】 (完成) at 3:45. She 【7】 （参加） sports after school. On 【8】 (十月) 10th, she has a school trip. On the 22nd, her school has an English party. She thinks it’s a great month. Mr. Zhang is her 【9】 (数学) teacher. He is great 【10】 (乐趣) .