

6. Sea level rise is usually regarded as Viet Nam's main ____: a one-meter rise would submerge 40 percent of the country and make millions homeless.
A. disaster
B. hope
C. destruction
D. concern
7. All of the disasters resulting from ____will continue to have a devastating effect on socio-economic development.
A. floods
B. climate change
C. ecological balance
D. carbon footprint
8. The low ____in the Mekong Delta leads to acute saline intrusion much deeper than the traditional 30 to 40km of mainland that is contaminated with saltwater.
A. water currents
B. sea level
C. water level
D. salt water
9. Methane is a far more active ____than carbon dioxide, but also one which is much less abundant in the atmosphere.
A. greenhouse gas
B. greenhouse effect
C. climate change
D. emission
10. The next dry season will be extremely severe ____further saltwater intrusion, water and rain shortages, and heat waves.
A. because
B. although
C. due to
D. thanks to
A. disaster
B. hope
C. destruction
D. concern
7. All of the disasters resulting from ____will continue to have a devastating effect on socio-economic development.
A. floods
B. climate change
C. ecological balance
D. carbon footprint
8. The low ____in the Mekong Delta leads to acute saline intrusion much deeper than the traditional 30 to 40km of mainland that is contaminated with saltwater.
A. water currents
B. sea level
C. water level
D. salt water
9. Methane is a far more active ____than carbon dioxide, but also one which is much less abundant in the atmosphere.
A. greenhouse gas
B. greenhouse effect
C. climate change
D. emission
10. The next dry season will be extremely severe ____further saltwater intrusion, water and rain shortages, and heat waves.
A. because
B. although
C. due to
D. thanks to