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- 1Our English teacher _____ in our school since he _______ to China.
- 2sin与cos相互转化
- 3she wasuch a proud person that she would die_shewould admit she was wrong
- 4基本不等式6
- 5一个长方体的容器长,宽,高分别是10cm,10cm,15cm如果把这个容器平方,水的高度是多少?
- 6104贴片电容中的104代表什么意思?
- 7体积大的容器容积一定大,体积小的容器容积一定小.这句话是对是错?为什么?
- 8两个连在一起的皮带轮,一个轮子的直径是4分米,另一个转1周时,它要转3周,另一个轮子的周长是多少分米
- 9已知数列{an}是首项a1>0,q>-1且q≠0的等比数列,设数列{bn}的通项bn=an+1-kan+2(n∈N),数列{an}、{bn}的前n项和分别为Sn,Tn.如果Tn>kSn对一切自然数n都成立,求实数k的取值范围.
- 10The teacher asked me ____.A how can i do with the problems B how could i deal