英语问题--阅读理解58

题目

英语问题--阅读理解58
Students in a science class are using wormsto compost the soil.First ,food wastes from the cafeteria are taken to thegreenhouse .Then the worms break down the leftovers to create fresh soil.Lastmonth,students began to harvest their first crop of vegetables.HannahJull,11,says the crops are doing well.”We have so much fun and everyone isgoing to like the food we’re growing .”Niamone believes the school garden hasinspired kids to plant gardens at home .”The project taught us that with alittle hard work,you can make a healthier choice ,”she says.”You just have totake that one first step.”
58.Food wastes are taken to thegarden to _______.
A.make the soil fresh B.feed the worms
Worm分解食物残渣,分解后的产物（无机盐）使土壤肥沃,B直接,A间接.有时答题要选最直接那个,有时选间接的,为什么?

答案

不是直接不直接的问题,阅读理解的答案关键是理解全文,答案都能在原文中找出.请看文章的表达,第一句开始,科学课的学生们正用蚯蚓制成沃土.首先,这些来自咖啡厅的食物废弃物被拿到实验室.然后,这些蚯蚓分解食物废弃物,以至于产生了新鲜的土壤.最后是告诉了我们答案.所以A是正确的.