发布时间 : 星期五 文章英语精读100篇UNIT24更新完毕开始阅读38c5bf649b6648d7c1c74613
[A] Polygamous species have shorter life spans than molygynous species. [B] Polygamous species aged faster than than molygynous species. [C] Polygamous males decrease faster in number as they grow older. [D] Monogamous males live as long as their females.
4. The logic behind the fact that the species living in the most dangerous environment have the shortest lifespan is that_____
[A] resources should be devoted to reproduction rather than sustaining life. [B] resources should be used most efficiently.
[C] species in the most dangerous environment should not waste the resources.
[D] there is no need to divert scarce resources into keeping the machine in best condition.
5. The test conducted by Tim Clutton-Brock and Kavita Isvaran demostrates that_____
[A] Polygymy was the rule in humanity?s evolutionary past.
[B] The sex difference on life span is attributable to humans? biological past which should not be denied by feminists.
[C] The logic does not work between the sexes as well as between species. [D] It was polygymy that accounts for human females? general longevity over males. 篇章剖析：
这篇文章讲述了雄性和雌性在寿命方面的差异。第一段讲述对雄性和雌性寿命差异的一种解释；第二段讲述一项证实这种解释的试验；第四、五段讲述对试验结果的推论；第六段讲述在这方面人类是一种特殊的物种。 词汇注释：
monogamous adj. 单配的 topple v. 推翻 雌性动物 难句突破：
(1) The point about polygyny is that if one male has exclusive access to, say, ten females, another nine males will be waiting to topple the harem master as soon as he shows the first sign of weakness. [主体句式] The point is that if…, another nine males will be…
polygynous adj. 多雌的
harem n. 为一个雄性动物所控制的许多
[结构分析]
这是一个复合句，that引导的是句子的表语从句；该表语从句中，if引导的是条件状语从句，as sonn as 引导的是时间状语从句。 [句子译文]
多配物种中，如果某一个雄性单独拥有十个雌性，那么它一旦出现衰老的迹象，另外九个雄性就会推倒这位占有多个雌性的主人。
(2) Dr Clutton-Brock reckons that the sex difference in both human rates of ageing and in the usual age of death is an indicator that polygyny was the rule in humanity's evolutionary past—as it still is, in some places. [主体句式] Dr Clutton-Brock reckons that… [结构分析] 这是一个复合句。that
引导的是宾语从句；该宾语从句中，indicator后面that引导的是定语从句。 [句子译文] Clutton-Brock博士估计人类衰老速度的性别差异和死亡的正常年龄标志着一夫多妻可能是人类进化的法则，因为现在在某些地方还存在着这种现象。
题目分析：
1. The passage is mainly discussing about_____ [A] difference in life span between males and females of different species. 1. 这篇文章主要讨论了_____ [A] 不同物种雄性和雌性之间寿命的不同。 [B] difference in life span among species of different mating patterns. [C] the reason of why human females outlive their male counterparts. [D] natural selection among males and females during evolution. [答案] C
[难度系数] ☆☆☆
[B]物种不同配偶模式之间的寿命的不同。 [C] 人类女性比男性长寿的原因。 [D] 进化过程中雄性和雌性间的自然选择。 [分析] 主旨题。文章主要讲述了男性和女性之间寿命的不同，以及背后的原因。虽然文章用了很大的篇幅谈论了各种物种，但是从开头、结尾可以看出文章主要针对的人类，因此，答案为C。 2. In the sentence “That means evolution is busy selecting for antlers, aggression and alloy wheels in males…”, “antlers, agression and alloy wheels” represent_____ [A] the most excellent ones. [B] the most powerful ones. C] the most attrative ones. [D] the most aggressive ones. [答案] C
[难度系数] ☆☆
[分析]推理题。在第一段中提到“One theory is that males must compete for female attention. That means evolution is busy selecting for antlers, aggression and alloy wheels in males, at the expense of longevity. Females are not subject to such pressuresOne theory is that males must compete for
2.在句子“这意味着进化忙着选择鹿角、侵略和和合金轮子”中，“ 鹿角、侵略和和合金轮子”代表着____ [A] 最优秀的雄性。 [B] 最强有力的雄性。 [C] 最吸引人的雄性。 [D] 最有攻击性的雄性。