阶段,1,阶段,2,阶段,3,学业分层测评,1/33,2/33,3/33,充分,必要,充分,结论成立,结论成立,4/33,5/33,6/33,7/33,8/33,9/33,10/33,充分条件判断,11/33,12/33,13/33,14/33,必要条件判断,15/33,16/33,17/33,18/33,19/33,20/33,21/33,充分条件和必要条件,22/33,23/33,24/33,25/33,26/33,27/33,28/33,29/33,30/33,31/33,32/33,33/33,