题目

When I was young, I had an old neighbor named Dr. Gibbs. He didn’t look like any doctor I’d ever known. He never shouted at us for playing in his yard. I remembered him as a neighbor who was nicer than anyone else in the neighborhood.When Dr. Gibbs was happy, he was planting trees. And his life’s goal was to make it a forest. Dr. Gibbs had some interesting theories about planting. He talked about trees that weren’t watered would grow deep roots in search of water. So he never watered his trees. He planted an oak (橡树) and, instead of watering it every morning, he beat it with6．超市运来15箱油，每箱有24瓶，3天卖完，每天卖多少瓶油？