A．dignityB．backgroundC．habitD．breeding

From the passage we understand that conventional plant breeding produced ______.A．a potato

They（)cattle mainly for the international market.A、carpenterB、districtC、oxD、breed

根据材料，回答题。 "Salty" Rice Plant Boosts HarvestsBritish scientists are breeding a new g

He spends several months______the wild horse.A．to tendB．cultivatingC．breedingD．to breed

【C4】A．wayB．meansC．habitD．technique

Success can breed success if you ______ it.A tak