关于Sittingonachairallda的百科

• 阅读理解。Sittingonachairalldayinschoolcanmakeanyonewanttomo...

• 问题详情：阅读理解。Sittingonachairalldayinschoolcanmakeanyonewanttomovearound.So,moreandmoreteachersarelettingstudentshaveaball.Bysittingonexerciseballsinsteadofchairs,teachersfindstudents’attentionimprove.Peter,afifth-gradeteacherinWestVirginia,theU...
• 2020-09-0822077