GMAT考試閱讀試題(九)(6)

1、GMAT考試閱讀試題(九)(6)Passage 60Un til rece ntly , scie ntists did not know of a closevertebrate an alogue to the extreme form of altruism abserved in eusocial in sects like an ts and bees , whereby in dividuals cooperate , sometimes even sacrificing their own oppor-( 5)tunities to survive and reproduce ,

2、 for the good of others.However , such a vertebrate society may exist among under-gro und colonies of the highly social rode ntHeterocephalus glaber , the naked mole rat.A naked mole rat colony , like a beehive , wasp's nest , or (10) termite mound , is ruled by its queen , or reproducing female

3、. Other adult female mole rats n either ovulate nor breed.The queen of the largest member of the colony, and shemaintains her breedi ng status through a mixture of behavioral and , presumably , chemical control. Queens have (15) been Iong-lived in captivity , and when they die or are removed from a

4、colony one sees viole nt fighti ng for breedi ng status among the larger remaining females , leading to a takeover by a newqueen.Eusocial insect societies have rigid caste systems，each20 insects's role being defined by its behavior，body shape ，and physiology. In naked mole rat societies，on the o

5、ther hand ，differences in behavior are related primarily to reproductive status reproduction being limited to the queen and a few males ，body size ，and perhaps age. Smaller nonbreeding25 members ，both male and female ，seem to participate primarily in gathering food ，transporting nest material， and t

6、unneling.Larger nonreaders are active in defending the colony and perhaps in removing dirt from the tunnels.Jarvis'work has suggested that differences in growth rates may influence the length of time that an individual performs30a task ，regardless of its age.Cooperative breeding has evolved many

7、 times in vertebrates ，but unlike naked mole rats， most cooperatively，40breeding vertebrates except the wild dog ，Lycaon pictus 35 are dominated by a pair of breeders rather than by a single breeding female. The division of labor within social groups is less pronounced among other vertebrates than a

8、mong naked mole rats ，colony size is much smaller ， and mating by subordinate females may not be totally suppressed whereas in n aked mole rat colonies subord in ate females are not sexually active , and many never breed.1. Which of the followi ng most accurately states the main idea of the passage

9、?(A) Naked mole rat colo nies are the only known examples of cooperatively breedi ng vertebrate societies.(B) Naked mole rat colonies exhibit socialorga ni zati on based on a rigid caste system.(C) Behavior in naked mole rat colonies may well be a close vertebrate an alogue to behavior in eusocial i

10、n sect societies.(D) The mati ng habits of n aked mole rats differ from those of any other vertebrate species.(E) The basis for the division of labor among naked mole rats is the same as that among eusocial in sects.2. The passage suggests that Jarvis' work has called into questi on which of the

11、 followi ng expla natory variables forn aked mole rat behavior?(A)Size(B)Age(C)Reproductive status(D)Rate of growth(E) Previously exhibited behavior3. It can be in ferred from the passage that theperforma nee of tasks in n aked mole rat colonies differs fromtask performa nee in eusocial in sect soci

12、eties in which of thefollow ing ways ?(A) In n aked mole rat colonies,all tasks ateperformed cooperatively.(B) In naked mole rat colonies,the performanee oftasks is less rigidly determ ined by body shape.(C) In n aked mole rat colonies,breeding is limitedto the largest an imals.(D) In eusocial in se

13、ct societies,reproduction islimited to a si ngle female.(E)In eusocial in sect societies,the distribution oftasks is based on body size.4. Accord ing to the passage , which of the followi ng is asuppositi on rather tha n a fact concerning the quee n in a n aked mole rat colony ?(A) She is the larges

14、t member of the colony.(B) She exerts chemical con trol over the colony.(C) She mates with more tha n one male.(D) She atta ins her status through aggressi on.(E) She is the on ly breed ing female.5. The passage supports which of the follow ingin fere nces about breed ing among Lyca on pictus?(A) Th

15、e largest female in the social group does not maintain reproductive status by means of behavioral con trol.(B) An in dividual's ability to breed is related primarily to its rate of growth.(C) Breedi ng is the only task performed by the breedi ng female.(D) Breeding in the social group is not cooperative.(E) Breedi ng is not domin ated by a sin gle pair of dogs.Word是學生和職場人士最常用的一款辦公軟件之一，99.99% 的人知道它，但其實，這個軟件背后，還有一大批隱藏技能你不知道。掌握他們，你將開啟新世界的大門。Tab+Enter,在編過號以后，會自動編號段落Ctrl + D 調出字體欄，配合 Tab+Enter 全鍵盤操作吧Ctrl + L 左對齊， Ctrl + R 右對齊， Ctrl + E 居中Ctrl + F 查找，Ctrl + H 替換。然后關于替換，里面又大有學