A.To take special kinds of food. |
B.To respond to climate change. |
C.To lose weight. |
D.To improve their health. |
A.freezing points | B.burning points |
C.melting points | D.boiling points |
A.it is necessary to keep the air-conditioning on all the time |
B.it seems possible for every household to cut emissions of CO2 |
C.the average US household produces about 3, 000 pounds of CO2 a month |
D.the average European household produces about 1, 000 pounds of CO2 a month |
A.Saving Energy Starts at Home |
B.Changing Our Habits Begins at Work |
C.Changing Climate Sounds Reasonable |
D.Reducing Emissions of CO2 Proves Difficult |