用所给单词的正确形式填空

1. You are a  _____  (bear) writer.

2. _____ (unite) , we stand ; divided, we fall.

3. The teacher stood there, _____  (surround)by a group of students.

4.   _____    (see)from the hill, the school looks like a park.

5.  _____     (lose)in the forest,he was scared to death.

爱因斯坦指出“哲学可以被认为是全部科学之母”，这说明( )

A．哲学是全部科学的汇集

B．哲学是各门具体科学知识的基础

C．哲学对各门具体科学的研究具有指导作用

D．哲学与各门具体科学是整体与局部的关系