英语六级阅读理解练习。
2. According to the passage, the following explanatory variables accounts for naked mole rat behavior EXCEPT_________
A. age B. size
C. growth rate D. reproductive status
3. In which of the following ways does the performance of tasks in naked mole rat colonies differ from task performance in eusocial insect societies?
A. In naked mole rat colonies, all tasks are performed cooperatively.
B. In eusocial insect societies, reproduction is limited to a single female.
C. In naked mole rat colonies, breeding is limited to the largest animals.
D. In naked mole rat colonies, the performance of tasks is less rigidly determined by body shape.
4. Which of the following is a supposition rather than a fact concerning the queen in a naked mole rat colony?
A. She exerts chemical control over the colony.
B. She is the largest member of the colony.
C. She mates with more than one male.
D. She is the only breeding female.
5. What can you infer from the passage about breeding among Lyeaon pictus?
A. An individual’s ability to breed is related primarily to its rate of growth.
B. Breeding is the only task performed by the breeding female.
C. Breeding in the social group is not cooperative.
D. Breeding is not dominated by a single pair of dogs
【答案】
1.B 主旨题.根据是A,C,D三项分别是主体的一个方面,所以B项为正确答案.
2.C 事实判断题.根据是第二段第二句”In naked mole rat societies,…and perhaps age.”
3.D 实施引申题.根据是第二段内容及上下文.
4.A 细节题.根据是第一段第三句”…presumably,chemical control.”
5.D 细节理解题.根据是第三段第一句”…most cooperatively…are dominated by a pair of…”
