World's Biggest Cities merging into mega-regions.

4. Short answers
a) The development of the (so-called) 'endless city.'
b) The trend towards the development of mega regions.
c) Their five largest cities account for half the countries' wealth.
d) Because of the large economic difference between the rich and poor.

5. Referents
100 mil The number of people who may live in a mega-region.
120 mil The number of people who live in Hong Kon- Shenhzen-Guangzhou region in China.
45% The percentage of growth in Los Angeles' population between 1975 and 1990.
2050 The predicted date when over 70% of the world's population will live in cities.
its (A) The UN-Habitat
he(C) Eduardo-Lopez Moreno
it(D) Urban sprawl
their(D) Cities like Los Angeles

6.Complete the sentences
a).....while making economic sense
b)......the likelihood of urban unrest is high.
c).....promoting the image of an outer-city 'world-class lifestyle'.
d).....is a reason for (the development of) urban sprawl.
e)....come from the world's largest 40 mega-regions.

Good luck, study hard, get some sleep and think positively,
Kaarie