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
考研
In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of th
In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of th
admin
2013-06-10
59
问题
In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are visible as depressed or elevated areas, ridges or grooves, smooth or rough patches on the hard parts. The muscles most important for the activities of the animal and most evident in the appearance of the living animal are those attached to the hard parts and possible to reconstruct from their attachments. Much can be learned about a vanished brain from the inside of the skull in which it was lodged.
Restoration of the external appearance of an extinct animal has little or no scientific value. It does not even help in inferring what the activities of the living animal were, how fast it could run, what its food was, or such other conclusions as are important for the history of life. However, what most people want to know about extinct animals is what they looked like when they were alive. Scientists also would like to know. Things like fossil shells present no great problem as a rule, because the hard parts are external when the animal is alive and the outer appearance is actually preserved in the fossils.
Animals in which the skeleton is internal present great problems of restoration, and honest restorers admit that they often have to use considerable guessing. The general shape and contours of the body are fixed by the skeleton and by muscles attached to the skeleton, but surface features, which may give the animal its really characteristic look, are seldom restorable with any real probability of accuracy. The present often helps to interpret the past. An extinct animal presumably looked more or less like its living relatives, if it has any. This, however, may be quite equivocal. For example, extinct members of the horse family are usually restored to look somewhat like the most familiar living horses — domestic horses and their closest wild relatives. It is, however, possible and even probable that many extinct horses were striped like zebras. If lions and tigers were extinct they would be restored to look exactly alike. No living elephants have much hair and mammoths, which are extinct elephants, would doubtless be restored as hairless if we did not happen to know that they had thick, woolly coats. We know this only because mammoths are so recently extinct that prehistoric men drew pictures of them and that the hide and hair have actually been found in a few specimens. For older extinct animals we have no such clues.
The word “equivocal” (Line 6, Para. 3) is closest in meaning to
选项
A、equally important.
B、definable.
C、equally doubtful.
D、deliberate.
答案
C
解析
事实细节题。首先观察本题选项,[A]和 [D]两项均属绝对表述,绝对项一般不是解。而且,原文第三段第一句提到,负责复原的科学家说,他们不得不采用大量的推测,可见,并不是accurately。因此[A]项错误,同时也可以排除[C]项。首段第二句提到,软组织会呈现为硬组织上突出的或凹陷的部位、脊部或沟槽、硬组织的平坦或粗糙的外表。由此可见,软组织通常会留下痕迹。所以[B]表述正确,而[D]表述错误。
转载请注明原文地址:https://kaotiyun.com/show/VYd4777K
0
考研英语一
相关试题推荐
WhichofthefollowingisNOTafeatureofyoungpeopleintheearly1980s?Whichdoyouthinkisthebesttitleofthepassage
About40percentofAmericansthinkofthemselvesasshy,whileonly20percentsaytheyhaveneversufferedfromshynessatsom
Inthefollowingtext,somesentenceshavebeenremoved.ForQuestions41-45,choosethemostsuitableonefromthelist(A、B、C、
TheelephantsofThailandnowareshortoftheworktheyusedtodobecause______.Theauthor’sattitudetowardstheseelephant
Accordingtothetext,theSupremeCourtruledthatTheword"rampaging"(Para2)denotes
Intheauthor’seyes,parentspushingtheirkidstoanelitedegreeare______.AccordingtoErnestT.Pascarella,eliteschool
Oneofthemostimportantresultsofresearchintoageinghasbeentopinpointthesignificanceofshort-termmemory.Thisfacul
Digitalphotographyisstillnewenoughthatmastofushaveyettoformanopinionaboutit,muchless(1)_____apointofview
Fewinsectshaveinspiredasmuchfearandhatredasthediminutivefireants,lessthanhalfaninchlongbutlivingincolonie
WhenIwasakid,Ineverknewwhatmyparents—oranyoneelse’s—didforaliving.Asfaras1couldtell,allgrownupshadmyst
随机试题
对接焊缝试件进行焊接工艺评定时,可以不做无损检测。
A、根B、根茎C、块茎D、根及根茎E、鳞茎知母的药用部位是
某城市房地产交易中,卖方、买方应缴纳的税费分别为正常成交价格的6%、3%,某宗房地产交易中买方付给卖方2500元/m2,应缴纳的税费均由买方负担,则该宗房地产的正常成交价格为()元/m2。
对混凝土抗渗性能影响最大的因素是()。[2009年真题]
下列选项中,不属于私人银行业务的特征的是()。
某省党委高度重视国家监察体制改革工作,通过省人民代表大会选举产生了省监察委员会,有效整合反腐力量,实现对全省所有行使公权力的公职人员监察全覆盖,进一步推进全面从严治党向纵向延伸。这做法()。①表明该机构将由同级党委选举产生,并对党委负责②是通过
定位是对产品在未来的潜在顾客的脑海里确定一个合理的位置。定位的方法有多种,如强化定位、比附定位、单一位置策略、寻找空隙策略、类别品牌定位、再定位等。其中再定位,意即打破产品在消费者心目中所保持的原有位置与结构,使产品按照新的观念在消费者心目中重新排位,调理
华生研究儿童的()三种非习得性情绪反应。
定义如下枚举类型:enum{Monday,Tuesday,Wednesday,Thrusday,Friday=2};表达式Wednesday==Friday的值是()。
Almostsincethebeginningofmankind,governmentshavebeenrecordingthenumbersoftheirpopulace.Thefirstknowncensusrep
最新回复
(
0
)