Choose the correct letter, A, B or C.

Cities built by the sea

21. Carla and Rob were surprised to learn that coastal cities
 A contain nearly half the world’s population.
 B include most of the world’s largest cities.
 C are growing twice as fast as other cities.

22. According to Rob, building coastal cities near to rivers
 A may bring pollution to the cities.
 B may reduce the land available for agriculture.
 C may mean the countryside is spoiled by industry.

23. What mistake was made when building water drainage channels in Miami in the 1950s?
 A There were not enough of them.
 B They were made of unsuitable materials.
 C They did not allow for the effects of climate change.

24. What do Rob and Carla think that the authorities in Miami should do immediately?
 A take measures to restore ecosystems
 B pay for a new flood prevention system
 C stop disposing of waste materials into the ocean

25. What do they agree should be the priority for international action?
 A greater coordination of activities
 B more sharing of information
 C agreement on shared policies

What decision do the students make about each of the following parts of their presentation?

Choose FIVE answers from the box and write the correct letter, A-G, next to Questions 26-30.

Decisions
A use visuals
B keep it short
C involve other students
D check the information is accurate
E provide a handout
F focus on one example
G do online research

Parts of the presentation
26. Historical background ...............
27. Geographical factors ................
28. Past mistakes ...............
29. Future risks ..................
30. International implications .................