Inventions and Inventorіs.Listening

1. People tend to believe that the 21st century is the era of great progress in almost all scientific fields. 

2. Scientists believe that all the progress we are making is motivated mostly by trying to sell more.

 3. A certain level of achievement in technological progress has already been reached. 

4. One of the reasons for the progress to decrease is cautiousness. 

5, In order for the problem to be solved there have to be more investments from the society.