战国时期，诸子百家中，谁提出了要与自然和谐相处（    ）

将下列词组与对应的图片匹配。

( 1 )．answering the phone     ____

( 2 )．climbing mountain       ____

( 3 )．drawing a picture        ____

( 4 )．picking up leaves        ____

( 5 )．making a snowman      ____

A.    B.     C.   

D.    E.

阅读判断。根据短文内容，判断下列句子的正与误。

Long long ago, there was no paper in the world. People had to write characters(汉字) in bamboo slips or stones.Then there was a man named Cai Lun who was a Chinese man. He made people use all kinds of things to invent paper. From then on, people can use paper to write on. Paper is a great invention. We always remember the great inventor Cai Lun. Nowadays paper is very useful in our work, study and our life.It really means a lot to human beings

下列正多边形组合中，能够铺满地面的组合是（　　）

①正方形和正六边形；②正八边形和正方形；③正方形、正十二边形和正六边形；④正三角形、正方形和正六边形；⑤正三角形和正方形．

  1951年西藏获得和平解放。至此，祖国大陆获得了统一，各族人民实现了大团结。（  ）