Paper,like many other things that we use today,was the first made in China. 1.__去掉the___
About 2000 years ago, the Chinese first made up paper.However Chinese paper was not 2.__去掉up___
made of the wood of trees but from the hairlike 3.__of改from___
parts of certain plants.A German who named 4._A 改The____
Schaeffer found out that one could make the 5.__正确___
best paper from trees.When we talk of paper we think newspapers,books,letters,envelopes 6.__think of___
and writing paper,and there are many other 7._and改but____
uses.Paper is good for keeping you warmly, 8._warm____
you can wear paper boots in the snow.The lastest in paper seem to be paper houses.These are 9.__seems___
not small houses for children to play,but 10.__play in___
real,big houses for people to live in.