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
Dogs were first domesticated from wolves at least 17,000 years ago, but perhaps as early as 150,000 years ago based upon recent
Dogs were first domesticated from wolves at least 17,000 years ago, but perhaps as early as 150,000 years ago based upon recent
admin
2010-04-30
46
问题
Dogs were first domesticated from wolves at least 17,000 years ago, but perhaps as early as 150,000 years ago based upon recent genetic fossil and DNA【B1】______ . In this time, the dog has developed into hundreds of breeds with a great degree of【B2】______ . For example, heights at the shoulder range from just a few inches to roughly three feet, and colors range from white to black, with reds, grays, and browns【B3】______ in tremendous【B4】______ .
Dogs are highly social animals and this【B5】______ in their overall behavioral system【B6】______ for their trainability, playfulness, and ability to fit into human【B7】______ and social situations. This has earned dogs a【B8】______ position in the realm of interspecies relationships.【B9】_____________________ are thought to be reflections of the human idea of love and friendship, leading many dog owners to view their pets as full fledged family members. Dogs seem to view their human companions as members of their pack, and make few, if any, distinctions between their owners and fellow canines.【B10】__________________________ . For dogs that do not have traditional jobs, a wide range of dog sports provide the opportunity to exhibit their natural dog skills. In many countries, the most common and perhaps most important role of dogs is as companions. Dogs have lived with and worked with humans in so many roles that【B11】____________________________ .
【B10】
选项
答案
Dogs play a variety of roles in society and are often trained as working dogs
解析
本句较简单。variety 和37题的variation 是同根词。
转载请注明原文地址:https://kaotiyun.com/show/bkOK777K
0
大学英语六级
相关试题推荐
A、Yes,andshehasalsoreadsomeofhisfictions.B、Yes,butshehasnotreadhisbooks.C、No,butshehasreadsomeofhisfic
Apersoncanbemorelonelyamongmenthanbyhimselfathomebecause______.Theauthorthinksthatthevalueofamancanbe__
Whyitisveryhardtogetachocolateorfacecreamoutofitsbox?Theauthorthinksthewrapping,exceptthatonmeatorthe
Whichofthefollowingstatementsistrueaccordingtothefirstparagraph?Whatcanhelptherapistsdecidewhetheradivorced
Theauthor’suseofthebathtubhoaxismeanttosuggestthat______.Asahumanactivity,weighingthefactsaboutsomethingi
A、Shesometimesgoestothesuburbstopaint.B、Shesometimeswatchesfootballmatches.C、Shesometimesgoesouttomakemusic.
A、BecausehelikesBritishweather.B、BecausetherainfallinBritainwasnotveryheavy.C、Becauseyoucouldfeelcoldatalmos
A、She’llgotoabarwithherfriend.B、She’llstayathomeanddrinksomething.C、Shewon’tgoout.Instead,she’llpreparear
A、Shedisagreeswiththeman.B、Shedoesn’tenjoylongspeeches.C、Shehadn’tknownhowlongthespeechwouldbe.D、Shedoesn’t
Despiteahugefloodofparticipants,buttheblogosphere【S1】______(博客圈)inChinaisexperiencingasmall"
随机试题
伪造、变造或者使用伪造、变造驾驶证的驾驶人构成犯罪的,将依法追究刑事责任。
设由N个缓冲区组成缓冲池,每个缓冲区可以存放一个消息,有两个进程:生产者(producer)和消费者(consumer),且只要缓冲池未满,生产者便可以将消息送人缓冲池,而只要缓冲池未空,消费者就可以取走一个消息。各个进程对缓冲池进行互斥访问,用信号量实现
噻嗪类利尿药利尿作用机制是
甲状腺功能亢进症最常见于
“进口口岸”栏应填“提运单号”栏应填:
市场定位的策略包括()。
住房公积金具有()的性质。
下列不属于大学教学原则的是()。
()既有班级授课制的优点,也有个别教学的长处。
层次型、网状型和关系型数据库划分原则是()。
最新回复
(
0
)