The ozone layer is very important for life on earth. What can damage the ozone layer? A. Chlorofluorocarbons (CFCs). B. Oxygen. C. Nitrogen. D. Carbon dioxide. 相关知识点: 试题来源: 解析 A。解析:氯氟烃(CFCs)会破坏臭氧层。从语法上这是对名词理解和因果关系的考查。选项B氧气不会破坏臭氧...
What is the function of the ozone layer? A. Absorb heat B. Filter sunlight C. Provide oxygen D. Control the climate 相关知识点: 试题来源: 解析 B。解析:臭氧层的作用是过滤太阳光。A 选项吸收热量不是臭氧层的主要功能;C 选项提供氧气是植物的作用;D 选项控制气候不准确。口语对话要点:讨论臭氧层...
What is the main function of the ozone layer? A. To absorb carbon dioxide. B. To reflect sunlight. C. To protect the Earth from harmful ultraviolet radiation. D. To regulate the E. arth's temperature. 相关知识点: 试题来源: 解析 C。解析:臭氧层的主要功能是保护地球免受有害的紫外线辐射...
The passage discusses the importance of the ozone layer. What does the ozone layer mainly protect us from? A. Cold weather B. High temperatures C. Ultraviolet rays D. Microwaves 相关知识点: 试题来源: 解析 C。解析:文章中提到臭氧层的重要性,臭氧层主要保护我们免受紫外线的伤害,选项 C 符合。
The ozone layer plays a crucial role in protecting life on Earth. What is the main threat to the ozone layer? A. Deforestation B. Industrial pollution C. Carbon emissions D. Overfishing 相关知识点: 试题来源: 解析 B。解析:工业污染是臭氧层的主要威胁。A 选项“Deforestation”(森林砍伐)主要...
The ozone layer is important for protecting life on earth. What can damage the ozone layer? A. Water vapor B. Oxygen C. Chlorofluorocarbons D. Nitrogen 相关知识点: 试题来源: 解析 C。解析:氯氟烃会破坏臭氧层。选项 A 水蒸气对臭氧层没有破坏作用;选项 B 氧气是维持生命的重要物质,对臭氧层无...
Ozone Layer The ozone layer is a layer of the stratosphere made up of ozone, a molecule containing three oxygen atoms. Ozone is actually toxic to breathe in, but in the higher levels of the atmosphere it serves an important purpose as a protective layer of our atmosphere. ...
The ozone layer is special to life because it absorbs ultraviolet radiation from the Sun in a very specific wavelength – UV-B radiation, between 315-280 nanometers in wavelength. It’s this UV-B radiation which gives us sunburns and can even cause cancer with long term radiation. Without ...
While travelling through many reasons that cause global warming, Ozone layer depletion is one of the major reasons for it. In order to know more about ozone layer depletion, we need to learn what ozone layer is. Let us dig deep into what is ozone layer, how it is forme...
A. interesting B. positive C. concerning D. useless E. [推理判断题。根据第三段的“I couldn't help feeling worried about the future of humans after I heard that.”可知,作者觉得这些信息很令人担忧。] 相关知识点: 试题来源: 解析 C 反馈...