17年1月6日，江苏卫视《最强大脑》节目迎来一位特殊选手——搭载“百度大脑”的人工智能机器人，挑战人类最强大脑的名人堂选手王峰。最终，机器人凭借在人工智能和人脸识别领域的深厚积累，以3︰2险胜。对此，下列说法正确的是（ ）
①“百度大脑”是具有独立意识的人工制造物，可以代替人脑
②“百度大脑”是人类智慧的物化，可以成长为新的实践主体
③“百度大脑”的诞生体现了人类意识活动的主动性和创造性
④“百度大脑”的胜利表明实践的发展延伸了人类的认识器官
A：①②
B：②③
C：①④
D：③④
-_________ weather it is! We can't go boating on the Xuanwu Lake.
-Don't worry. Let's go to the Science Museum instead.
Tom always can't sleep well at night. But he was never late for work. He went to see his doctor on Sunday afternoon. He took the subway to get there. He met his boss on the subway and they talked for a while.
Tom got some sleeping pills from the doctor. That night Tom took the pills. He had a nice sleep. He went to work happily on foot in the morning. Getting into the office, he said to his boss “I had a nice sleep and got up happily this morning.” “That's fine,” shouted the boss, “but where were you on Monday?”
计算（37+23）×21=37×21+23×21是运用了（ ）。
卢梭的理想社会是“既没有乞丐，也没有富豪”，“没有一个公民可以富得足以购买另一个人，也没有一个公民穷得不得不出卖自身”。这实质上反映了他主张（ ）
