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(1512-84) DefaultMutableTreeNode中的（）方法删除指定索引处的子节点。 A: removeFromParent() B: removeAllChildren() C: remove(MutableTreeNode aChild) D: remove(int childIndex)

Chooseasubordinatingconjunctiontocombineeachpairofsimplesentences.选择合适的连词连接每一题中的两个句子。Achild’sdaydreamingishinderinghim/herfromprogressinginschoolorfromgainingsocialskills. A: when B: unless C: because D: as E: although F: if G: that