[单选] Language and thought may be viewed as two independent circles overlapping in some parts. When language and thought are identical or closely parallel to each other， we may regard thought as “subvocal speech，” and speech as “（）”.

教育管理过程的中心环节是（） 计划。 实施。 检查。 总结。 仪表接地系统由接地体、（）组成。 接地线。 接地汇流排。 接线箱。 公用连接板。 抽样调查 从学前儿童的身心发展的要求来看，幼儿园的环境设计包括（）、（）、（）、交往环境。 幻灯片的放映方式主要分为以下哪几种（） 演讲者放映。 观众自行浏览。 在展台浏览。 自定义放映。 Language and thought may be viewed as two independent circles overlapping in some parts. When language and thought are identical or closely parallel to each other， we may regard thought as “subvocal speech，” and speech as “（）”.