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 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...
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。
Ozone in the Earth’s atmosphere is created when sunlight strikes oxygen molecules which consist of two oxygen atoms bonded together (O2). This splits it into two separate oxygen atoms which float in the atmosphere until they bond with other oxygen molecules creating ozone (O3). Ozone is unsta...
What is Ozone layer? Our earth’s atmosphere is divided into different layers. Each layer has its own specific functions. The different layers of the atmosphere are named as troposphere, stratosphere, mesosphere, thermosphere and exosphere. Each of these layers has boundaries. Abo...
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...
Part Of the Stratosphere: The ozone layer is a part of the earth's stratosphere, which is the second major layer of our atmosphere. Ozone is a gas made from three oxygen atoms bonded together, with the chemical formula O3. It is not abundant in the atmosphere, with only about three mole...
J. M.: What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated, Atmos. Chem. Phys, 9, 2113-2128, 2009. Pawson, S., Stolarski, R. S., Douglass, A. R., Newman, P. A., Nielsen, J. E., Frith, S. M., and Gupta, M. L.: Goddard ...