考点跟踪突破5二次根式及其运算一、选择题(每小题6分,共30分)1.如图,矩形OABC的边OA长为2,边AB长为1,OA在数轴上,以原点O为圆心...
受到表扬You’vedoneagreatjob!典型句型1.You’vedoneagreatjob!=Welldone/goodjob!=You’redoinggreat!你做的太棒了!*Yourworkhasbeenpre...