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- 1一电路电压为10伏特,电流为5安培,电阻为2欧姆,此时在并联一个2欧姆的电阻器,
- 2So badly was he injured that he had to be sent to the hospital.此处为什么用badly而不是bad?
- 3最重的话打一成语
- 4老师的生日那天的上、下、左、右4个日期的和为80,老师的生日是_号.
- 5找出错误并改正 There is a air-conditioner in my room.
- 6___2010 ___September 1st, 2004 ___spring ___the moring
- 7猫和老鼠合伙是谁写的
- 8根据英文释义及首字母提示,写出下列单词
- 9在封冻的冰面上,体重为50kg的人,每只鞋底面积是125cm2时,恰好可以安全走过,如果这个人两只脚下都踩一块面积是175cm2的轻质硬木板,请问他最多可以背负质量为多少千克的物体通过冰面
- 10They finished the work ____(perfect)on time.