在矩形ABCD中,两条对角线AC、BD相交于点O,若AB=OB=4,则AD=( 发布时间:2017-04-24 12:39 │ 来源:www.tikuol.com 题型:填空题 问题: 在矩形ABCD中,两条对角线AC、BD相交于点O,若AB=OB=4,则AD=( )。
题型:填空题 As there was no one she could________, she felt very helpless.[ ]A.turn to B.turn on C.turn off D.turn over 查看答案