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- 1they think it is a waste of time to do it now能不能改成they think it a waste of time to do it now
- 2one of which is that.表示不懂.
- 3we were m___ not to go out because of the heavy snow
- 4如图所示,在半径为R的半球形碗的光滑内表面上,一质量为m的小球以角速度ω在水平平面上做匀速圆周运动,
- 5just do it change
- 61米48厘米=几米?
- 710.I am very _____ about the ______news.
- 8已知sinα=1/3,tanα
- 9x分之1+x=3,则x的四次方+x的平方+1分之x的平方,等于多少?
- 10生物的新发现对人类的影响