[原创]12月19_London_640_AWA/MATH/RC_壮烈牺牲了

小薰127

MM能确认下选项是否也是这些呢～

谢谢你

Question #25.  147-01  (22404-!-item-!-188;#058&000147-01)

 

 

The passage provides information in support of which of the following assertions?

 

 

(A) The disadvantages of an adaptation to a particular feature of an environment often outweigh the advantages of such an adaptation.

(B) An organism's reaction to being placed in an environment to which it is not well adapted can sometimes illustrate the problems that have been solved by the adaptations of organisms indigenous to that environment.

(C) The effectiveness of an organism's adaptation to a particular feature of its environment can only be evaluated by examining the effectiveness with which organisms of other species have adapted to a similar feature of a different environment.

(D) Organisms of the same species that inhabit strikingly different environments will often adapt in remarkably similar ways to the few features of those environments that are common.

(E) Different species of organisms living in the same environment will seldom adapt to features of that environment in the same way.

 

 

Question #26.  147-02  (22450-!-item-!-188;#058&000147-02)

 

 

According to the passage, one reason that the distribution of blood in the sea snake changes little while the creature remains in the ocean is that

 

 

(A) the heart of the sea snake tends to be located near the center of its body

(B) pressure gradients in the water surrounding the sea snake counter the effects of vertical pressure gradients within its blood vessels

(C) the sea snake assumes a vertical posture less frequently than do the terrestrial and the arboreal snake

(D) the sea snake often relies on waves of muscle contractions to help move blood from the torso to the head

(E) the force of pressure gradients in the water surrounding the sea snake exceeds that of vertical pressure gradients within its circulatory system

 

 

Question #27.  147-07  (22496-!-item-!-188;#058&000147-07)

 

 

The author suggests that which of the following is a disadvantage that results from the location of a snake's heart in close proximity to its head?

 

 

(A) A decrease in the efficiency with which the snake regulates the flow of blood to the brain

(B) A decrease in the number of orientations in space that a snake can assume without loss of blood flow to the brain

(C) A decrease in blood pressure at the snake's midpoint when it is tilted at various angles with its head up

(D) An increase in the tendency of blood to pool at the snake's head when the snake is tilted at various angles with its head down

(E) An increase in the amount of effort required to distribute blood to and from the snake's tail

 

 

Question #28.  147-09  (22542-!-item-!-188;#058&000147-09)

 

 

In the passage, the author is primarily concerned with doing which of the following?

 

 

(A) Explaining adaptations that enable the terrestrial snake to cope with the effects of gravitational pressure on its circulatory system

(B) Comparing the circulatory system of the sea snake with that of the terrestrial snake

(C) Explaining why the circulatory system of the terrestrial snake is different from that of the sea snake

(D) Pointing out features of the terrestrial snake's cardiovascular system that make it superior to that of the sea snake

(E) Explaining how the sea snake is able to neutralize the effects of gravitational pressure on its circulatory system

butterfly24

楼上，有答案吗？

florentzhou

A蛇 B蛇 C蛇 心脏位置那到题GMATprep里面有啊

现在GMAC把Prep里的题都拿出来考了????

wendy7

我也奇怪为什么在这边报要交税

在北京的时候明明不用交

actionde

us也不交