2016年12月5日月曜日

世界最大級の作物

今日のレッスン:Plant biologists have thought of a clever new way to increase the size of crops by as much as 20 per cent. Lead researcher Professor Stephen Long said his team is genetically modifying staple crops such as rice, wheat, maize and soybean – the world's biggest crops (Breaking News).

1. What kind of biologists thought of a new way to increase crop sizes?
2. What kind of crops are rice, wheat, maize and soybean?