1、英语学习6.表示变化 1)Some changes have taken place in the past five years. 2)A great change will certainly be produced in the worlds communications. 例如： Some changes have taken place in peoples diet in the past five years. The major reasons for these changes are not far to seek. Nowadays，more and more peopl
2、e are switching from grain to meat for protein，and from fruit and vegetable to milk for vitamins.7.表示事实、现状 1)We cannot ignore the fact that. 2)No one can deny the fact that. 3)This is a phenomenon that many people are interested in. 8.表示比较 1)There is a striking contrast between them. 9.表示数量 1)It has increased(decreased)from.to. 2)The population in this city has now increased (decreased)to 800，000.
