166- According to the author, investment in education ............... . A) has a direct impact on production techniques
B) as little significance for economic progress
C) is far more important than investment in health
C) has led to certain specific technological changes
E) will contribute positively to human progress
167- The passage is mainly concerned with .......... . A) the question of economic progress and productivity
B) the necessity of improvement in health services
C) the impact of economy in life expectancy
D) long term benefits of investments in education
E) new education policies to meet technological needs
