People engaged in changing reality are usually______numerous limitations.A．subscribed toB．

Fifty years ago, most people lived in rural areas. But the world has changed. In the near

With the development of the society, more and more ordinary people are engaged in charity

The cultivated land in the U.S. makes up______of the total land, and people who are engage

Which of the following about changes in lives of American people is CORRECT？A．People in Am

What changes does connecting people in a vast and distributed network of computers bri

Television has changed the lifestyle. of people in every industrialized country in the wor