The climate changes have started with the dawn of agriculture.
举一反三
- Organic agriculture accounts for the biggest proportion of the American agriculture.
- Climate change may ________ the agriculture economy in this area.
- As agriculture accounts for less than 1% of U.S. GDP, the U.S. lacks strength in agriculture.
- If climate changes continue, we will suffer the ( ).
- Great changes have taken place _____ I started junior high school. A: when B: since C: after D: until