paper ............... . A) is largely provided by the countries which produce a great deal of timber
B) is produced from a variety of substances other than timber
C) can only be produced economically with the aid of sophisticated technology
D) is normally made from raw materials locally available
E) can most readily be prepared form timber with a high fibrous content
66- The main concern of the passage is to ............. A) explain why there has been so little change in the development of paper making
B) describe how the West learned the techniques of papermaking
