The over - exploitation of natural resources ___ many species on the verge of extinction. A. put B. has put C. puts D. had put 相关知识点: 试题来源: 解析 B。本题考查时态。根据题意,过度开采自然资源这一行为从过去持续到现在,并且对现在造成了许多物种濒临灭绝的结果,所以要用现在完成时。
C. There are no conservation efforts in place for the species. D. The species is not attractive to tourists. 相关知识点: 试题来源: 解析 D。解析:选项 A,物种数量很少可能导致其处于灭绝边缘;选项 B,栖息地被快速破坏会使物种面临灭绝危险;选项 C,没有保护措施也会增加物种灭绝的风险。而选项 D,...
In this contribution we illustrate a species on the verge of extinction, commonly known as flagship species of temporary wetland agro-ecosystems. Marsilea quadrifolia L., known also as European water clover, is a leptosporangiate pteridophyte typical of aquatic environments, considered a weed of ...
Botanical exploration in Ananthagiri hill range revealed the endemic species Holttum (Cyatheaceae). Intensive surveys are required in order to establish whether there are any other extant populations exist in other part of Ananthagiri hill range, and the presently known populations require habitat ...
a number of species are becoming endangered species, and this is something everybody can see; 翻译结果3复制译文编辑译文朗读译文返回顶部 A large number of species are on the verge of extinction, it is evident that 翻译结果4复制译文编辑译文朗读译文返回顶部 ...
百度试题 结果1 题目This species of animal is on the verge of extinction (灭绝). 相关知识点: 试题来源: 解析 答案:extinction.介词后接名词作宾语;extinction是不可数名词。故填:extinction. 这种动物已几近灭绝。反馈 收藏
Some species are on the verge of extinction due to ecological changes. Which of the following can be done to protect these endangered species? A. Hunting them for scientific research B. Destroying their habitats further C. Establishing nature reserves D. Ignoring their E. xistence 相关知识点:...
英文:Pandas belong to a species that is on the verge of extinction. 中文:大熊猫属于濒临灭绝的物种。 英文:Scientists are studying various species of marine life. 中文:科学家们正在研究各种海洋生物物种。 英文同义表达: Kind:在指代生物分类时,'kind' 可作为 'species' ...
BEIJING, Nov. 12 (Xinhua) -- China has unveiled a plan to protect the country's livestock and poultry genetic resources from now to 2020. At present, 18 percent of all the country's local poultry and livestock species are endangered or on the verge of extinction, the Ministry of Agricultu...
species extinction especies amenazadas de extinción · especies en peligro de extinción · extinción de especies · extinción de las especies possibly extinct species especie posiblemente extinguida species on the verge of extinction especies en peligro de extinción species threatened with ex...