如何概括We find that bright children are rarely held back by mixed-ability t
问题描述：
如何概括We find that bright children are rarely held back by mixed-ability t
答
that引导宾语从句；从句用正常语序,为被动句.
我们发现,聪明的孩子很少会被素质教育埋没.
hold back 踌躇,退缩；阻止,抑制；隐瞒,保守(秘密等)