首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
专升本
Scientists in the UK have announced that the piranhafish’s reputation【C1】________a fearsome 【C2】________may well not be des
Scientists in the UK have announced that the piranhafish’s reputation【C1】________a fearsome 【C2】________may well not be des
admin
2021-10-09
15
问题
Scientists in the UK have announced that the piranhafish’s reputation【C1】________a fearsome 【C2】________may well not be deserved. The fish, which is found in the Amazon in Brazil, have been【C3】________as deadly carnivores (食肉动物) that work in shoals to overwhelm their prey and strip it of its flesh in seconds.
However, experts【C4】________St Andrews University say that piranhas are omnivores(杂食动物)that mainly eat fish, plants and insects. They form big groups not to hunt but to defend 【C5】________against other predators, according to the team.
" Previously it was thought piranhas shoaled as it【C6】________them to form a cooperative hunting group," said Professor Anne Magurran. "【C7】________, we have found that it is primarily a defensive behavior."
Piranhas can be attacked by animals【C8】________dolphins, caimans and large fish, so forming a shoal is a good way of【C9】________being killed. Piranhas of【C10】________age stay in the middle of the group for【C11】________and the【C12】________of the shoal differs according to the level of【C13】________. When the water level is【C14】________, the fish form small groups as there is space to escape, but when the water level drops, they form large groups as protection【C15】________predators.
【C12】
选项
A、rate
B、size
C、amount
D、percentage
答案
B
解析
根据此题的不同选项和文章上下文可知,这里指鱼群的大小。Rate比率、速度,size大小,amount数量,percentage百分比。选项B是正确的。
转载请注明原文地址:https://kaotiyun.com/show/q3ZC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Asubjectwhichseemstohavebeeninsufficientlystudiedbydoctorsandpsychologistsistheinfluenceofgeographyandclimate
Dopeopleeverywhereagreeonwhatamountainis?Thefactisthatdefinitionsvary.Everyoneadmits,forexample,thatEverest
Notallmemoriesaresweet.Somepeoplespendalltheirlivestryingtoforgetbadexperiences.Violenceandtrafficaccidentsc
ThedevelopmentofJamestowninVirginiaduringthesecondhalfoftheseventeenthcenturywascloselyrelatedtothemakingand
Thedeclineinmoralstandards—whichhaslongconcernedsocialanalysts—hasatlastcapturedtheattentionofaverageAmericans.
Asscientistslearnmoreaboutthecausesofearthquakes,theybecomebetterabletopredictthem,firstofall,theyknowthat
Thetraditionalapproach______withcomplexproblemsistobreakthemdownintosmaller,moreeasilymanagedproblems.
Thetrafficwasveryheavy,otherwiseI______here30minutesago.
Ishouldlike______theresultearlier.
A、cloudyB、captainC、certainD、cottonCA,B,D项划线部分发[k],C项划线部分发[s],因此选C项。
随机试题
Pandy试验与硫酸铵试验比较,前者
A.加快补液速度,充分补液B.适当补液C.使用强心药D.舒张血管E.补液试验休克患者中心静脉压高、血压正常时
脑血栓形成的最常见原因是
水流在直径d=300mm的圆管中流动时,在管长l=100m上测得水头损失hf=2m,当沿程水头损失系数λ=0.025时,则管壁上切应力τ0和圆管断面平均流速v的数值是()。
在市场预测的基本方法的分类中,可分为()。
假定1年期即期利率为5%,市场预测1年后1年期预期利率为8%,则根据无偏预期理论可知,2年期即期利率为()。
某高校学生甲乙在学校操场上打篮球时,乙投篮球时将甲的头部砸伤。甲的损害应由()3。(2016一专一31)
阅读以下说明,回答问题1~问题2,将解答填入对应的解答栏内。[说明]WWW服务是目前Internet上应用最广的应用,它基于客户机朋艮务器模式的应用系统,WWW服务器负责对各种信息进行组织,WWW客户机负责如何显示信息和向服务器发送请求
Mostpeoplewhotravelinthecourseoftheirworkaregiventravelling______.
A、Itwasnamedafteralandownerintheolddays.B、ItislocatedintheeasternpartofHarrogate.C、Itisprotectedasparkla
最新回复
(
0
)