2. 职称英语
  3. Trees are useful to man in three very important ways: they pro vide him wood and

Trees are useful to man in three very important ways: they pro vide him wood and

游客2025-03-17  50
问题 Trees are useful to man in three very important ways: they pro vide him wood and other products; they give him shade; and they help to prevent drought and floods.
选项
答案 树对人类的重要性体现在三个方面：提供木材和其他产品；遮阴；有助于防止干旱和洪水。
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