[求助]快来看看最新的GWD28－2的阅读阿！（重新编辑过的）

追逐梦想2006

奇怪大家对14题为什么都一致认为是E，而不是A

28-14: The passage suggests that relatively bright carotenoid-based coloration is a signal of which of the following characteristics in males of certain animal species?

A: Readiness for mating behavior

B: Ability to fight

C: Particular feeding preferences

D: Recovery from parasite infestation

E: Fitness as a mate

Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health. The conventional (Line 15) view is that carotenoids are meaningful because they are rare: healthier males can forage for more of the pigments than can their inferior counterparts.Although this may be true, there is growing evidence that carotenoids are meaningful also because they are required: they are used by the immune system and for detoxification processes that are important for maintaining health. It may be that males can use scarce carotenoids either for immune defense and detoxification or for attracting females. Males that are more susceptible to disease and parasites will have to use their carotenoids to boost their immune systems, whereas males that are genetically resistant will use fewer carotenoids for fighting disease and will advertise this by using the pigments for flashy display instead.

难道genetically resistant ＝ fitness，未免过于草率了吧。

jocelyn_z2002

同问14

kikhorse

Q13 答案C  不用爭了  有人在PP做過了

xiaowan

最后这句话最有用了！

colorful_na

up

qianrene

以下是引用kikhorse在2006-9-29 23:05:00的发言：

Q13 答案C  不用爭了  有人在PP做過了

晕，破解我做完了，哪有这篇文章，不要舞蹈人啊-_-||

我选EED

13题的C答案，从下面定位可以排除

whereas males that are genetically resistant

 (30)     will use fewer carotenoids for fighting disease

and will advertise this by using the pigments

for flashy display instead.

[此贴子已经被作者于2007-10-14 20:35:22编辑过]

杨东芳

14题，我觉得重在理解fitness 和readiness的意思，来自longman字典
readiness；willingness to do something，fitness；the degree to which someone or something is suitable or good enough for a particular situation or purpose，再结合定位句 females prefer males with brighter carotenoid-based coloration.可以看出明亮的色素是更适合做交配对象的标志，至于13题 看到题干中的bright carotenoid-based coloration ，直接定位到It may be that males can use scarce carotenoids either for immune defense and detoxification or for attracting females.再结合either...or 的意思即可选出答案，open to discuss~~

gedn01

Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health.
这是虚拟语气
28-13: Information in the passage suggests that which of the following is true of carotenoids that a male animal uses for detoxification processes?
A: They were not acquired directly from plants and algae
B: They cannot be replenished through foraging.  
C: They cannot be used simultaneously to brighten coloration.
D: They do not affect the animal’s susceptibility to parasites.    

选C了



E: They increase the chances that the animal will be selected as a mate. 符合中心内容