A major cause of the increase in the greenhouse gases is
A: the burning of trees and crops.
B: the building of many greenhouses.
C: the burning of large quantities of coal and oil.
D: the flooding of large areas of the world.
A: the burning of trees and crops.
B: the building of many greenhouses.
C: the burning of large quantities of coal and oil.
D: the flooding of large areas of the world.
举一反三
- The major problem is the need for large quantities of water and ______ to grow the crops. A: food B: fertilizers C: pesticides D: chemicals
- The major problem is the need for large quantities of water and ______ to grow the crops. A: fossils B: fertilizers C: frontiers D: fosters
- Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- 35）There seems to be no debate about the ________ that the world will be warmer and warmer if we keep pumping large amounts of greenhouse gases into the atmosphere.
- A ____ is a large building for storing large quantities of goods. A: Hovel B: warehouse C: cottage D: wardrobe