The authors primary purpose is to ______.A．study ancient concepts of citizenshipB．contrast

The author‘s main purpose is to 查看材料A.describe the

In paragraphs 1 and 2, the authors primary purpose is toUPPER PALEOLITHIC ART WAS NOT CONF

In paragraph 6, the authors primary purpose is toOI.L POOLS A.RE. VA.LUA.B.LE. UN.D.E.RG.R

The authors main purpose of mentioning Facebook is to______.A．compare Facebook with face－t

The author’s purpose in writing this passage is__

What is the author‘s main purpose in writing the passage?