猜你喜欢
- 1This is his ruler(改为复数句) That is my key(改为复数句) These are his brother
- 2地面上的任何物体都受重力的作用 对吗
- 3圆X^2+Y^2-2Y-1=0关于直线X-2Y-3=0对称的圆的方程是
- 4Class _____(be)over,all the students rushed out of the classroom.Class _____(be)over.All the stud
- 52、改错.
- 6如图所示(滑轮组的绕绳未画出),人以600N的力向下拉动绕在滑轮组的绳子一端10秒,使绳端向下移动了1.5m、重物匀速上升了0.5m,已知滑轮组的机械效率为70%(g=10N/kg). (1)人的拉力的
- 7I don't want to tell
- 8陶渊明在《桃花源记》这篇文章中寄托了怎样的社会理想?你认为在当时的社会条件下,这个道理可实现吗?
- 9改错.Millie looks well in her new hair style .______
- 10左边一个木,右边一个品,是什么字