If you want to use your Business Telecard International, you have to______. [br]

游客2025-07-27 21

问题 If you want to use your Business Telecard International, you have to______. [br] We learn from the text that corals depend on plants for______.

选项 A、comfort
B、light
C、food
D、oxygen

答案 D

解析事实细节题。从文章第二段第四句，In their skins...giving in return oxygen which the animal needs to breathe可知，植物为动物提供了生活必需的氧气。所以正确的答案为D。

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【B1】[br]【B10】A、tookdownwithbusinessB、camedowntobusinessC、settleddown