2. 职称英语
  3. What is the purpose of this passage? [br] What happened to the leaves falling fr

What is the purpose of this passage? [br] What happened to the leaves falling fr

游客2023-09-16  56
问题 What is the purpose of this passage? [br] What happened to the leaves falling from the trees in the second study?
选项 A、They broke down and the main parts turned into oxygen.
B、They broke down and the carbon content had mainly turned into carbon dioxide.
C、They broke down and the carbon content was mainly absorbed in the soil.
D、They absorbed more carbon dioxide.
答案 B
解析 客观事实题。关键语句:"They discovered that as the leaves broke down into the soil, all the carbon was not trapped in the soil. Much of it was released into the atmosphere as carbon dioxide."而A.C.D均错误。
转载请注明原文地址:https://tihaiku.com/zcyy/3019410.html
相关试题推荐
随机试题
最新回复(0)