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
外语
Most of the animals have little connection with animals of a different kind, unless they hunt them for food. Sometimes, however,
Most of the animals have little connection with animals of a different kind, unless they hunt them for food. Sometimes, however,
admin
2015-05-21
46
问题
Most of the animals have little connection with animals of a different kind, unless they hunt them for food. Sometimes, however, two kinds of animals come together in a partnership which is good for both of them. You may see some birds sitting on the backs of sheep. This is not because they want a ride, but because they find easy food in me parasites (寄生虫) on sheep. The sheep allow the birds to do so because they can remove the cause of discomfort. So although mey can live without each other, they do better together.
Sometimes an animal has a plant partner. The relationship develops until the two partners cannot live without each other. This is so in me corals(珊瑚)of the sea. In their skins mere are tiny plants which act as "dustmen" , taking some of the waste products from me corals and giving in return oxygen(氧气) which the animal needs to breathe. If the plants are killed, or are even prevented from receiving light so that they cannot live normally, the corals will die.
Some birds like to sit on a sheep because______.
选项
A、they can eat its parasites
B、they enjoy traveling with the sheep
C、they depend on me sheep for existence
D、mey find the position most comfortable
答案
A
解析
从文章第一段第四句“This is not because they want a ride,but because they find easy food in the parasites on sheep.”可知,它们想吃羊背上的寄生虫。故正确的答案为A。
转载请注明原文地址:https://kaotiyun.com/show/skud777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
0
公共英语二级笔试
公共英语(PETS)
相关试题推荐
【S1】【S4】
Howdoesthewomanfeelatthebeginningoftheconversation?
Accordingtothewriter,amotherspendsmorethannecessaryon______.Whichofthefollowingstatementsisbestsupportedby
WhatshouldbedonebyEdwardfirst?WhichoneofthefollowingisNOTtrueaccordingtothepassage?
Theword"convenient"inthepassagemeans______.Ifyoucutanothercaroff,itsdrivermaybe______.
在2008年北京奥运会上,中国著名运动员刘翔因腿伤退出比赛,引起人们的广泛争议,下面是新浪网站的一项调查:运动员受伤后,应该坚持还是应该退出?要求你向广大网民公布调查结果:参考词汇:腿伤footinjury;战场battlefield;坚持到底h
PluggingintoElectronicDatabasesIfyouarelooking【C1】______information,libraryshelvesareagoodplace【C2】______.Buti
"AsIstoodinfrontofthegrave(墓)ofPresidentRichardNixon,Iwasthinkingaboutthetime25yearsagowhenthispresident
Itisreportedthatbagsaregettingbiggerallthetime,andthattherearemorebagsperpersononthestreettodaythanatan
随机试题
IthinkIwasatschool,_______IwasstayingwithafriendduringthevacationwhenIheardthenews.
典型的Brugada综合征患者ST段抬高的形态为
男,1个月,阵发性窒息、颜面发绀3次,有时伴吸气性喘鸣,每次持续数十秒至1分钟,能自行缓解,发作无明显诱因。出生史正常,近日夜间易惊,查体无异常。患儿系人工喂养,未添加维生素D和钙剂,母孕期有频繁小腿抽筋史。最可能的诊断是
A、补骨脂内酯B、茵陈素C、黄檀内酯D、花椒内酯E、茵陈炔内酯属于呋喃香豆素类的成分是
不属于药物代谢第Ⅰ相生物转化中的化学反应是
管道设计流速应符合原油成品油在正常作业状态时,管道设计流速不应大于()m/s,液化石油气液态安全流速不应大于()m/s的规定。
中国银监会有权对金融机构以及其他单位和个人的()进行监督。
2018年3月上海市政府召开行政审批制度改革工作会议。2018年上海将围绕营造稳定公平透明、可预期的营商环境,持续推进“放管服”“证照分离”等改革,重点聚焦效率、监管和服务“三个优化”。同时,认真落实国务院批复的《上海市进一步推进“证照分离”改革试
在Word2003中,以下哪些措施可以用来预防宏病毒?()。
A、Theyweresatisfied.B、Theyweresurprised.C、Theywereangry.D、Theyweresad.B新闻提到,当听到女儿描述学区要员对她说“你的账户里没有钱了,所以不能得到午餐”时,妈妈遭受
最新回复
(
0
)