6. I believe the government will use advanced technology to build faster trains and make people's life more comfortable. IO

A. modern

B. expensive

C. public

D. latest

7. Many city dwellers, especially those in developing countries, still live in poverty.

A. people

B. migrants

C. immigrants

D. residents

8. These projects have proved to be very effective in dealing with global climate change, which was considered an insoluble problem in the first 30 years of this century.

A. hard

B. challenging

C. unsolvable

D. unbearable

9. There's a real mix of people in Brighton. It has a very cosmopolitan feel to it.

A. busy

B. hectic

C. multi-cultural

D. diversified

10. People who hold optimistic view believe that cities of the future will increase the general well-being of individuals and societies.

A. health state

B. quality of life

C. level of development

D. growth rate