The primary sector includes agriculture, forestry and fishing, mining, and extraction of oil and gas.
举一反三
- "Internet+" modern agriculture, including ( ). A: agriculture B: forestry C: fishing D: animal husbandry
- "Internet+" modern agriculture, including ( ). A: agriculture B: forestry C: fishing D: animal husbandry
- The role and position of unconventional oil and gas resources in global oil and gas production are becoming more and more important. Which of the following are unconventional oil and gas resources? A: Tight rock oil and gas B: Mud shale oil and gas C: Coalbed methane D: Oil shale E: Oil sands F: Natural gas hydrate
- Income from the agriculture sector ____ throughout the period.
- _____ is Canada’s largest producer of oil and gas.