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The traditional way of making maple syrup is interesting. A sugar maple tree produces a watery sap each spring, when there is still lots of snow on the ground. To take the sap out of the sugar maple tree, a farmer makes a slit in the bark with a special knife, and puts a “tap” on the tree. Then the farmer hangs a bucket from the tap, and the sap drips into it. That sap is collected and boiled until a sweet syrup remains—forty gallons of sugar maple tree “water” make one gallon of syrup. That’s a lot of buckets, a lot of steam, and a lot of work. Even so, most of maple syrup producers are family farmers who collect the buckets by hand and boil the sap into syrup themselves.
- ①사탕단풍나무에서는 매년 봄에 수액이 생긴다.
- ②사탕단풍나무의 수액을 얻기 위해 나무껍질에 틈새를 만든다.
- ③단풍나무시럽 1갤론을 만들려면 수액 40갤론이 필요하다.
- ④단풍나무시럽을 만들기 위해 기계로 수액 통을 수거한다.
정답 ④
출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)