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
168- It is argued in the passage that ................ .
A) questions of increased output must be given priority
B) economic progress depends largely on technological developments
C) society was slow to realise the need to invest in man
D) expenditures should be evenly distributed among the secretary
E) improvements in the health services are urgently required