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
27
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】____________________________ .
【B3】
选项
答案
occurring
解析
注意对动词occur 作相应变形。
转载请注明原文地址:https://kaotiyun.com/show/1kOK777K
0
大学英语六级
相关试题推荐
A、TodeterminewhethertheEarth’stemperatureisgoingup.B、Tostudythebehaviorofsomeseaanimals.C、Tomeasurethedepths
A、Shethinksthedancewaspoor.B、Shedoesn’tlikethewomanprotagonist.C、Shedoesn’tlikethemanprotagonist.D、Shethinks
TheauthorofthisarticlethinksthatthelateEmeryTobinisthemostoutstandingamongthenotablecitizensinKetchikan.It
Whichofthefollowingstatementsistrueaccordingtothefirstparagraph?Whichtitleisproperforthispassage?
A、Asksomeoneelsetohelpthewoman.B、Askthewomanfordirections.C、Showthewomanthemap.D、Showthewomanwherethedormi
A、Heshouldtryabetterandconvenientway.B、Heshouldgiveuplookingforthebook.C、Heshouldaskthelibrarianforhelp.D
Hethinksthatpeople_____(应该团结起来不惜一切代价粉碎恐怖分子的计划)
Theauthor’suseofthebathtubhoaxismeanttosuggestthat______.Asahumanactivity,weighingthefactsaboutsomethingi
A、Itisawardedtothebestfilmofthefestival.B、Itwasintroducedin1959.C、Itwasintroducedbyacommercialorganization.
A、British.B、Americans.C、Germans.D、Japanese.CWhofirstlyusedflexibleworkinghours?信息明示题。由文章开头可知,灵活工作时间机制由德国人发明,所以C正确。
随机试题
RemembertheStoneAgedaysofresearchbackinelementaryschoolandmiddleschool?Wewouldspendcountlesshoursdigestingth
窦性心动过缓不发生于()。
X线管的焦点不包括
背景资料某综合楼工程,地下三层,地上二十层,总建筑面积68000m2。地基基础设计等级为甲级,灌注桩筏板基础,现浇钢筋混凝土框架剪力墙结构。建设单位与施工单位按照《建设工程施工合同(示范文本)》签订了施工合同,约定竣工时需向建设单位移交变形测量报告,部分
派生需求是由阿弗里德.马歇尔在其《经济学原理》一书中首次提出的经济概念。是指对生产要素的需求是由对该要素与生产的产品的需求派生出来的,又称“引致需求”。根据上述定义.下列不属于派生需求的是:
把下面的六个图形分成两类,使每一类图形都有各自的共同特征或规律。分类正确的一项是:
0.8生活学是台湾地区、日本流行的一种生活哲学。0.8生活学的真谛是:生活需要冲,更需要缓冲。尽80%的力气就好了,剩下20%的力气权当回旋的余地和养精蓄锐的本钱。根据上述定义,下列符合0.8生活学的是:
布鲁纳的螺旋式课程理念是基于他提出的
Atthefootofthemountain______.
A、Andersonishungry.B、Andersonisnothungry.C、Andersonisfull.D、Andersonisnotfull.B该题为推理题,根据男士的否定回答可知他认为Anderson并不饿。
最新回复
(
0
)