Which of the following is NOT the difference between Bt cotton and common cotton
A: Bt cotton is stronger than common cotton.
B: Bt cotton yields more than common cotton.
C: Bt cotton needs less pesticides than common cotton.
D: Bt cotton is harm to cotton bollworms.
A: Bt cotton is stronger than common cotton.
B: Bt cotton yields more than common cotton.
C: Bt cotton needs less pesticides than common cotton.
D: Bt cotton is harm to cotton bollworms.
举一反三
- Bt Cotton is </p></p>
- Which of the following call be inferred from the passage about cotton production in the United States after the introduction of Whitney's cotton gin（） A: More cotton came from sea island cotton plants than befor B: More cotton came from short-staple cotton plants than befor C: Most cotton produced was sold domesticall D: Most cotton produced was exported to Englan
- The first step of producing hand-made cotton cloth is to twine and spin the cotton.
- We have produced ______this year as we did in 1993. A: as much cotton twice B: as twice much cotton C: much as twice cotton D: twice as much cotton
- "Organic cotton" in Para. 3, probably means "cotton ______".