小敏、小刚、小明是同班同学。小敏喜欢通过阅读来学习，小刚觉得听别人讲更容易学到知识，而小明觉得自己动手的事情更容易记住。这说明（  ）

设a=3^0.5，b=log₃2，c=cos2，则（　　）

某学者说：“我要问：对飞禽、走兽、鱼蛇的特性知道的很多，而对人的本性一无所知，不知我们从何而来，往何而去，以及为什么生活，这到底有什么好处？”这段话体现的是（   ）

Flat A：Lovely double bedroom with own store space in the house, garden, garage(车库)and parking space. 5 minutes to the library,18 minutes to the bank. TV broadband available.
115 pounds per week including all the bills. Four weeks rent(租金)，four weeks deposit(押金)required．
Tel：07912100237
Flat B：A double room available to rent at￡420 per month in a 2-bedroom new apartment located in London. It's ideal for students (5 minutes to University of Greenwich, Avery Hill campus) and professional people for short term. 2 minutes walk to the train station and local town centre. There are fast trains to London Bridge(15 minutes)and Cambridge Cross Station(20 minutes)in London.
There are public buses to Cambridge, Greenwich etc.
Features: entrance hall, modem kitchen and bathroom, living room and parking space.
Tel: 17912100273
Flat C：Shared flats available for rent, weekly￡80 including breakfast and dinner；daily￡20 including breakfast. Wireless(无线) Internet is provided for free. Central location in London, ideal for holiday makers and students．
Tel: 0791 2305237