clear-thinking
10.The open approach teaching of mathematics is a hotspot of modem education research on mathematics. Among those research results at home and abroad, there is no clear definition about the open approach teaching of mathematics, open approach thinking, open approach problem and the opening degree of mathematics propositions, nor is there a systematic exposition about the teaching aims, functions, flows and strategies of the open approach teaching of mathematics.
同义词辨析
辨析1:
这些形容词均含“清楚的,明白的,明显的”之意。
apparent: 强调显而易见或一想便知。这个词从动词appear派生而来,故有时含有表面如此而事实上未必的意味。
obvious: 语气较强,指极为明显,有目共睹,无需说明和论证。
evident: 指根据事实成为显然的。
clear : 普通用词,侧重清楚明白。
plain: 普通用词,含义与clear很接近,可通用,但plain着重简单明了,不复杂。
distinct: 较正式用词,指轮廓的清楚或定义、含义的明确,不会弄错。
definite: 语气肯定,着重明白无误,无可怀疑。
manifest: 语义较强,书面用词,强调一目了然,暗示不要任何推论就一清二楚。

