首页
登录
职称英语
The cypress trees of the Louisiana wetlands are threatened by the exploding popu
The cypress trees of the Louisiana wetlands are threatened by the exploding popu
游客
2024-01-13
52
管理
问题
The cypress trees of the Louisiana wetlands are threatened by the exploding population of nutria, a type of South American rodent introduced into the area in the 1930s in hopes of starting a nutria fur industry. Unfortunately, no one wanted the fur, and now the rodents number in the millions. A park ranger has suggested introducing the South American jaguar, the nutria’s natural predator, into the Louisiana wetlands as a way to control the nutria population. Which of the following, if true, casts the most doubt on the ranger’s plan to introduce jaguars as an effective way to control the nutria population?
选项
A、Past attempts to control the nutria population through traps and poison have resulted in limited and temporary population reductions.
B、A program in Florida found that the best way to conserve the root systems of wetland trees such as cypresses is to surround the trees’ roots with tough plastic barriers.
C、The jaguar is a large and deadly predator that, if introduced, could kill livestock, pets, or even humans that it encounters in the Louisiana wetlands.
D、During the past year an unusually cold winter killed an estimated 35 percent of the nutria population in the Louisiana wetlands.
E、The South American jaguar is a predator of the ferret, which is currently the chief predator of the nutria in the Louisiana wetlands.
答案
E
解析
Answer E suggests that the introduction of the jaguar will reduce one of the existing checks on the nutria population, which could in fact make the problem worse. None of the other answers specifically address the effectiveness of this particular plan.
转载请注明原文地址:https://tihaiku.com/zcyy/3359611.html
相关试题推荐
Generally,snakeswon’tattackhumans______theyarethreatenedwithdanger.A、if
Generally,snakeswon’tattackhumans______theyarethreatenedwithdanger.A、if
ThecypresstreesoftheLouisianawetlandsarethreatenedbytheexplodingpopu
Inthelastfewdecades,grassywetlands,essentialtothenestingandbreeding
TohelppreserveancientEgyptianmonumentsthreatenedbyhighwatertables,aS
5CajunsspeakadialectbroughttosouthernLouisianabythefourthousandAcad
A、thrivingbutthreatenedB、securebutinertC、moribundbutrecoveringD、penurio
ThelegislationfacingCongresswasso______thatitthreatenedtoshatterthego
lnorderto(i)______thelossofnaturalwetlandsusedbymigratingsnowgeese,
Libertyisnoteasy,butfarbettertobean(i)____fox,hungryandthreatened
随机试题
Onefeatureofnewfoundwealthinthedevelopingworldhasbeentheembrace
[originaltext]M:Honey,thebasketballgameisabouttostart.Andcouldyoubr
高分子防水卷材的取样方法:对于出厂合格的产品,同一生产厂家、同一品种、规格的产品
患者,男,55岁。昨天中午参加婚宴后下午开始腹痛,为持续性胀痛,牵涉到后背,伴恶
林某,男,65岁,近1周来出现入睡困难失眠。经询问,张某平时没有午休习惯,晚餐后
下列哪些负荷属于站用电系统重要负荷()?主变压器冷却器$;$低压直流系统充电机$
下列关于质量管理的说法中,符合工程质量管理原则的有()。A.工程施工以追求多快
海关对于报关单位违反海关监管规定的行为,视不同情节给予不同程度的处罚,下列属于可
下列属于技术创新决策评估方法中的定量评估方法的是()。A.评分法 B
1998年9月1日对某施工现场检查时发现,存储建筑材料的仓库内有15名建筑工人居
最新回复
(
0
)