26. Which of the following conditions does the passage suggest is a possible cause for the failure of a lobster to develop a crusher claw?
The loss of a claw during the third or earlier stage of development
The loss of a claw during the fourth or fifth stage of development
The loss of a claw during the sixth stage of development
Development in an environment devoid of material that can be manipulated
Development in an environment that changes frequently throughout the stages of development
27. The author regards the idea that differentiation is triggered randomly when paired claws remain intact as
irrefutable considering the authoritative nature of Emmels observations
likely in view of present evidence
contradictory to conventional thinking on lobster-claw differentiation
purely speculative because it is based on scattered research and experimentation
unlikely because of apparent inconsistencies with theories on handedness in humans
答案:17-27:BADEDABEADB
【gre考试阅读真题解析(B)】相关文章:
最新
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01