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- 1Some memories doomed not to erase just as some people doomed not to replace the same
- 2哈勃望远镜是什么?
- 3P是等边三角形ABC内一点,AP=3,BP=4,CP=5,绕B将点P顺时针旋转60°的P',连CP',求角BP'C和角APB度数
- 4熔融氢氧化钠和陶瓷
- 5It's too hot,let's go s______in the river
- 6已知关于x的方程3x-2m+1=0与2-m=2x的解互为相反数,试求这两个方程的解及m的值.
- 7我们如果没有老百姓的支持,就没有今天这个局面.改为反问句
- 8日食和月食是怎样发生的?
- 9what should i do for you?i want to buy a pair of shoes 改错
- 10As a student,you ____ spend so much time playing computer games,which isa waste of time.