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- 1I usually do to the c___ with my friends on Saturday evenings.
- 2The key----the problem is to meet the demand made by the customers.A.to solve B.to solving
- 3已知《an>是公差大于0的等差数列,满足a3a6=55 a2+a7=16 数列b1,b2-b2,b3-b2.bn-b(n
- 4how to protect ourselves英语作文
- 5实验室制取二氧化碳的仪器
- 6西安在地理环境,风土人情方面的特色?
- 7求物理知识：一个电阻器两端加10V电压时,电功率为10W;当加在它两端的电压变为5v时,它的电功率为多少?
- 8The next time it's gonna be a Hawaii at sunset.
- 99x^3-6x^2y+xy^2因式分解
- 101.Study hard,and you will be good at your lessons.(同意转换) _____ _____ _____ _____ you will be