解析 B。解析:文中提到“Aquatic plants play a crucial role in maintaining the balance of the ecosystem. They provide food and shelter for fish, insects, and other organisms.”,水生植物在维持生态系统平衡中起着关键作用,为鱼、昆虫和其他生物提供食物和庇护所。
A. Making water more polluted. B. Ignoring water purification. C. Playing a vital role in water purification. D. Reducing the need for water. 相关知识点: 试题来源: 解析 C。解析:文章中说化学在水净化中起着至关重要的作用,使用各种技术去除污染物,使水可安全饮用等,所以答案是 C。反馈...
A. They store water. B. They purify water. C. They carry water from one place to another. D. They create water. 相关知识点: 试题来源: 解析 C。解析:Rivers also play a role in the water cycle. They carry water from one place to another and help in the distribution of water.。反馈...
What role does chlorophyll play in photosynthesis? A. It absorbs water. B. It absorbs carbon dioxide. C. It absorbs light energy. D. It releases oxygen. 相关知识点: 试题来源: 解析 C。解析:叶绿素在光合作用中吸收光能。A 选项吸收水的不是叶绿素;B 选项吸收二氧化碳的也不是叶绿素;D 选项释放...
D. They help regulate the climate by absorbing carbon dioxide and releasing oxygen. 相关知识点: 试题来源: 解析 C。原因:文中提到“They also play a crucial role in water cycle, preventing soil erosion and maintaining soil fertility.”。 反馈 收藏 ...
In the forest, plants play a role in water cycle. What do they do to help? A. They freeze water B. They block water C. They transpire water D. They pollute water 相关知识点: 试题来源: 解析 C。解析:在森林里,植物通过蒸腾(transpire)作用帮助水循环,这是植物在水循环中的重要功能。选项A...
The ecological value of the Amazon Rainforest is immense. It helps regulate the global climate by absorbing carbon dioxide and releasing oxygen. It also plays a crucial role in maintaining water cycles.”,可推断出雨林通过释放水分来维持水循环。
What is the role of plants in the water cycle? What effect does precipitation have on the water cycle? How would another ice age affect the water cycle? What is the purpose of the water cycle? How does temperature affect the water cycle?
“The leaves are little boats floating on the water.” What role does this simile play in the written expression? A. It is a far - fetched comparison and disrupts the logic B. It makes the description more imaginative and helps in the logical flow C. It is just a random thought and ...
What role can individuals play in addressing water pollution? A. Do nothing B. Increase the use of single-use plastics C. Dispose of waste properly D. Pollute more water 相关知识点: 试题来源: 解析 C。解析:文中提到个人可以通过减少一次性塑料的使用和正确处理废物来发挥作用。