Just 100 grams of white powder makes one ton of clean water anywhere, anytime. All you have to do is to mix the powder into dirty water from rivers, lakes, or ponds. Then, you come up with clean water in a few seconds. This powder can be used in emergency situations. It can also be used in areas of the world where clean drinking water is hard to get. Some people in developing countries call the powder a "magic powder," but it is not. It is a sticky component found in natto that makes dirty water clean. Who developed this natto powder? Dr. Oda Kanetoshi invented this amazing product.

内容の確認 1 次の内容が本文に合っていればT, 違っていればFを( )内に書きましょう。 1) Dr. Oda made a “magic powder” which makes dirty water look clean. 2) One ton of the powder that Dr. Oda developed is needed to make the same amount of water clean. 3) Asticky component in natto can make clean water. 2 このPartの主題として最も適切なものを1つ選びましょう。 ア How to get water in emergency situations イ How to make clean water in developing countries ウ“Magic Powder" that makes dirty water clean ( )