首页
登录
职称英语
Since life began eons ago, thousands of creatures have come and gone. Some,
Since life began eons ago, thousands of creatures have come and gone. Some,
游客
2024-01-01
23
管理
问题
Since life began eons ago, thousands of creatures have come and gone. Some, such as the dinosaurs, became extinct due to naturally changing ecologic conditions. More recent threats to life forms are humans and their activities. Man has drained marshes, burned prairies, dammed and diverted rivers. Some of the more recent casualties of man’s expansion have been the dodo, great auk, passenger pigeon, Irish elk, and Steller’s sea cow. Sadly, we can no longer attribute the increasing decline in our wild animals and plant species to "natural" processes. Many species are dying out because of exploitation, habitat alteration or destruction, pollution, or the introduction of new species of plants and animals to an area. As mandated by Congress, protecting endangered species, and restoring them to the point where their existence is no longer jeopardized, is the primary objective of the U.S. Fish and Wilidlife Service’s Endangered Species Program. [br] Which of the following has become extinct due to man’s destruction?
选项
A、African elephant
B、Irish elk
C、Giant panda
D、White Bengal
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3325518.html
相关试题推荐
Thousandsofyearsago,inNorthAmerica’spast,allofitsmegafauna—largemamm
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Alllivingcreaturespassoninheritedtraitsfromonegenerationtoother.A、the
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Sincelifebeganeonsago,thousandsofcreatureshavecomeandgone.Some,
Fewcreaturesonearthareascuteastheblackliontamarin,andfewhavea
随机试题
Thefollowingdeterminers(限定词)canbeusedwithbothpluralanduncountablenouns
[originaltext]Oneofthecomplaintsofcityresidents,notsurprisingly,is
Anindustrialsociety,especiallyoneascentralisedandconcentratedastha
[audioFiles]audio_eham_j77_001(20082)[/audioFiles]A、Tomlikestostudyaforeig
IngredientsforHappinessNo,happinessisn’talott
设备采购中优先把握的准则是向合格的供应商采购()的设备。A.技术先进,生产适
切断传播途径预防传染病的措施是:A、我国政府禁止进口国外血液制品,以防止艾滋病传
跟踪误差是度量一个股票组合相对于某基准组合偏离程度的重要指标。该指标被广泛用于被
Thechangeinthatvillagewasmiraculou
进行“体系策划与设计”是建立职业健康安全与环境管理体系的工作之一,其主要内容有(
最新回复
(
0
)