A、<span style="font-size:16px;font-family:宋体">实践是认识的来源</span>
B、<span style="font-size:16px;font-family:宋体">实践是认识的动力</span>
C、<span style="font-size:16px;font-family:宋体">人的认识具有主观能动性</span>
D、<span style="font-size:16px;font-family:宋体">人具有改造自然的能力</span>