家兔的牙齿有门齿、臼齿的分化． ．
对
题目分析：家兔是草食性动物，只具有门齿、臼齿的分化，无犬齿，因此题干的说法正确．
故答案为：√
The number of people present at the concert was ____ than expected. There were many tickets left. [ ]
A. much smaller
B. much more
C. much large
D. many more
海尔集团总裁张瑞敏认为：“一个成功的企业家首先应是一个哲学家。”这强调的是（）
A.哲学是具体知识的概括和总结
B.具体知识是哲学产生的基础
C.哲学能为具体科学提供方法论指导
D.哲学家更容易成为企业家
