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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单词拼写
  • 难度 中等
  • 浏览 665

根据句意及汉语提示写出单词。
A ______ (鲨鱼)is a dangerous animal.
Many _______ (法律) have been made to protect endangered animals.
The sea animals are all important to the ocean's _______ (生态系统).
Tigers are at the top of the food _______ (链条) in the grassland ecosystem.
Do you know the _______ (优点) of bike riding?

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根据句意及汉语提示写出单词。A(鲨鱼)isadangerou