A:剧烈运动后,体温会明显上升,是由于产热过多
B:剧烈运动后,会导致血浆中的明显下降
C:由于营养物质被消耗,血浆渗透压会明显下降
D:剧烈运动后,人体内乳酸含量先增加后减少
如图,在△ABC中,∠C=90°.若BD∥AE,∠DBC=20°,则∠CAE的度数是( )
根据拼音写汉字。
yuán____故 无精打cǎi____ 如数fèng____还xiàn____慕
阅读下面的内容,按要求完成任务。
Mind maps are a great way of showing a picture of information.They work very well in all kinds of learning.Here is an example to show us how to draw a mind map.
To make the mind map even better,use color to show important ideas or parts of the map.