A. Lack of sunlight B. Overpopulation C. Pollution D. Limited food sources 相关知识点: 试题来源: 解析 C。解析:文章中提到“However, the marine ecosystem is facing several problems. One of the major issues is pollution.”,即海洋生态系统面临的主要问题之一是污染。反馈...
The well-planned PA system has brought 90 percent of terrestrial ecosystem types and 71 percent of key state-protected wildlife species under effective protection. The habitats for wild animals have been expanding and their populati...
Hello everyone, you are listening to 'Learn 10000 English words with Ava.' My name is Ava, and I am a language enthusiast. The purpose of this podcast is to help you understand and remember over 10,000 English words and...
题目Climate change is one of the major threats ___ the ecosystem. A. to B. in C. at D. on 相关知识点: 试题来源: 解析 A。be a threat to 是固定搭配,表示“对……是威胁”。选项 B、C、D 与 threat 搭配错误。反馈 收藏
come on everybody come on forrest come on if you are a come on the line is a come on theyre doing come on you dont want come or go into come point come prepare the way come right this way come roundaround come thou fount come to a stop an end come to an agreement come to hav...
解析 D。原因:文章中提到“Pollution from human activities, such as oil spills and plastic waste, is endangering many species. Climate change is also having a significant impact. In addition, overfishing is a major problem.”。 反馈 收藏
As a driver and enabler of the intelligent world, Huawei's strategy has three components. Huawei will work with telcos and partners to create a complete public cloud ecosystem. According to Huawei’s Rotating CEO Eric Xu, “The journey to an intelligent world has already begun.” Huawei ...
Xu Lemin: We aim to use the National Games to showcase the advantages of our system.With "two systems," three legal frameworks, and four central cities,we are organizing this grand sporting event well within such a unique institutional environment.I believe that, beyond sports exchange, there...
Some of the more important components are: soil, atmosphere, radiation from the sun, water, and living organisms.Each living organism has a continual relationship with every othe 5、r element that makes up its environment. Within the ecosystem, species are connected and dependent upon one ...
A. Overfishing B. Natural disasters C. Climate change D. Pollution 相关知识点: 试题来源: 解析 D。原因:“Pollution from human activities, such as oil spills and plastic waste, is a major threat.”说明污染是海洋生态系统的主要威胁之一。反馈 收藏 ...