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 deserved. The
Scientists in the UK have announced that the piranhafish’s reputation【C1】______a fearsome【C2】______may well not be deserved. The
admin
2013-12-10
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.
【C5】
选项
A、them
B、themselves
C、it
D、itself
答案
B
解析
根据上下文:食人鱼组成巨大的群体并不是为了猎取,而是为了自我保护以抵御其他的捕猎者。因此,这里应选用具有“它们自己”含义的词。选项B是正确的。
转载请注明原文地址:https://kaotiyun.com/show/m7eC777K
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
Therailroadindustrycouldnothavegrownaslargeasitdidwithoutsteel.Thefirstrailsweremadeofiron.Butironrailsw
Studentswillneed【21】alloftheirlanguageskillsinordertounderstandthereadingselectionsinReader’sChoice.Thebookco
Studentswillneed【21】alloftheirlanguageskillsinordertounderstandthereadingselectionsinReader’sChoice.Thebookco
Allwhalesfallintotwogroups,thosewithteethandthosewithout.Bothbelugaanddolphinbelongtothesuborderoftoothedw
Allwhalesfallintotwogroups,thosewithteethandthosewithout.Bothbelugaanddolphinbelongtothesuborderoftoothedw
Intheyear2000,theworldisgoingtohaveapopulationofabout8billion.Mostscientistsagreethatthemostsevereproblem
Manytheoriesabouttheoriginoftheoceanhavebeenproposedbyscientists.Themostwidelyacceptedoneisthattheearthat
Toaphilosopher,wisdomisnotthesameasknowledge.Factsmaybeknowninenormousnumberswithouttheknowerofthemloving
Agroupofscientistsrowingtowardthecenterofalakesawsomethingshocking.Theyturnedbackasfastastheycould.Whatha
随机试题
谈判要素不包括()
女,39岁。婚后8年未避孕未怀孕,月经规律,痛经重。月经来潮12小时子宫内膜活检为分泌期子宫内膜,B超下通液输卵管通而不畅。男方精液化验精子数6200万/ml,活力60%。月经干净后2天超声检查发现右附件5cm×5cm×3cm液性暗区伴密集光点,最
下列选项中,属于氧化磷酸化抑制剂的是()
下列关于正当防卫的说法正确的是?
期货公司申请金融期货交易结算业务资格,其注册资本应不低于人民币( )万元,申请日前2个月的风险监管指标应持续符合规定的标准。
迦牟尼初转发轮地为()。
现代认知心理学把人的记忆系统分为瞬间记忆和长时记忆两个子系统.()
一份中学数学竞赛试卷共15题,答对一题得8分,答错一题或不做答均倒扣4分。有一个参赛学生得分为72,则这个学生答对的题目数是()。
Thelower-levelclasses(knownassubclassesorderivedclasses)(73)stateandbehaviorfromthehigher-levelclass(knownasasup
Jennifer:Thegreenhouseeffectmightbecausingthechange,butit’sacyclethat’sbeentrackedforaboutahundredyear
最新回复
(
0
)