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
Naturally, in a group of animals as diverse as the snakes, and with so many varied enemies, there are numerous defensive reactio
Naturally, in a group of animals as diverse as the snakes, and with so many varied enemies, there are numerous defensive reactio
admin
2015-04-24
57
问题
Naturally, in a group of animals as diverse as the snakes, and with so many varied enemies, there are numerous defensive reactions and devices. There is, however, one general pattern of behavior. In the presence of suspected enemy the first reaction is to try to escape observation; if this fails, the next resort is the flight to some inaccessible retreat, but if this is not possible, or is circumvented, various kinds of intimidatory gestures and warning devices are brought into play; in the last resort the snake attacks. This pattern varies with the circumstances; some stages may be omitted or combined unpredictably whilst; some notoriously irascible species may dispense with all the preliminaries and attack almost at once, though seldom or never without some provocation.
Amongst the factors that increase aggressiveness are hunger, the mating season and surprise, with the last mentioned the commonest; when hunting for food or for mate, activity and the aggressive instinct are both at their peak. Owing to their poor sense of hearing snakes are very liable to be, quite literally, caught napping and a similar situation arises during their periods of temporary blindness just before sloughing(蜕皮)begins. By far the greatest number of snake-bit accidents result from the unwitting disturbance of resting snakes, and this hazard is much increased with species that are well disguised and whose natural instinct is to trust to this concealment as their principal defense. As well as differences in aggressiveness between individuals of the same species according to the circumstances and conditions, there are also notable differences between species, even closely allied species; and the reports of those who have been attacked may understandably be lacking in objectivity. So it is impossible to forecast, even in outline, how any encounter will develop.
The Hamadryad, for example, is usually credited with being amongst the most aggressive of snakes, and there are many accounts of unprovoked attacks, yet on one occasion fourteen men and seven dogs passed and returned within two yards from a nest and no snake was seen although the female, which guards the nest, could not have been far away.
The author uses the example in the last paragraph to support his idea that______.
选项
A、snakes do not begin the aggressive act if it is not disturbed
B、some snakes are more aggressive and more ready to attack
C、it is hard to forecast whether and how snakes would attack
D、snakes often conceal themselves as their principal defense
答案
C
解析
细节推断题。尾段首句中的for example是个词组,表明这一句是为了支持上一段尾句的观点的。原文第二段尾句中的impossible和how any encounter will develop分别与选项C中的hard和how snakes would attack对应,选项C是to forecast的重现。故答案为C。
转载请注明原文地址:https://kaotiyun.com/show/XcLO777K
0
考博英语
相关试题推荐
Whatissospecialaboutintuitivetalent?Extensiveresearchonbrainskillsindicatesthatthosewhoscoreashighlyintuitive
Mostpeoplewouldbe【71】bythehighqualityofmedicine【72】tomostAmericans.Thereisalotofspecialization,agreatdealof【
Mostpeoplewouldbe【71】bythehighqualityofmedicine【72】tomostAmericans.Thereisalotofspecialization,agreatdealof【
Therearethreeseparatesourcesofhazard【C1】______totheuseofnuclearreactiontosupplyuswithenergy.Firstly,theradioa
Despiteeffortstoprovidethemwithalternativessuchastheshelter,womenfrequentlyandrepeatedlyreturnedtoviolentanda
InNovember1970YukioMishima,togetherwithsomeofhisfanaticalfollowersfromtheultranationalisticShieldSocietywhichh
Therehasbeenalotofhand-wringingoverthedeathofElizabethSteinberg.Withoutblaminganyoneinparticular,neighbors,fr
Amazonhasgivenintopublisherpressureandagreedtoabandontheir$9.99pricepointfore-Books.PuNisherMacmillanfelt
Amazonhasgivenintopublisherpressureandagreedtoabandontheir$9.99pricepointfore-Books.PuNisherMacmillanfelt
Shypeoplenever______setouttoattractattentionofotherpeople.
随机试题
下列不属于当代综合性TPS的特点的是()
邓小平理论中,社会主义初级阶段的主要矛盾是()
可摘局部义齿的直接固位体是A.大连接体B.小连接体C.支托D.卡环E.基托
妊娠诊断的辅助检查方法中错误的是
下列关于基金年度报告和半年度报告的说法,正确的是()。
上海证券交易所和深圳证券交易所自( )起实行退市风险警示制度。
已知⊙O,⊙P的半径分别为6和8,两圆心距离为d.当两圆相交时,d的取值范围是______;当两圆相切时,d的取值是______;当两圆相离时,d的取值范围是______.
银行金融创新的基本内容包括()。
甲(40岁)是某市肉联厂职工。2010年7月5日下午3时许,甲到姐姐家,提出要带外甥乙(9岁)去附近水库游泳。乙的母亲即甲的姐姐告诉甲,乙不会游泳,叮嘱甲要照看好乙。约4时许,甲带乙到达水库,租了2个救生圈,2人一起下水游泳约1小时,而后一起上岸休息。休息
Britainwaswealthycountry,ahundredandfiftyyears【C1】______Therewerea【C2】______veryrichpeople【C3】______receivedmon
最新回复
(
0
)