托福考试2017阅读模拟冲刺题（八）_第2页

　　5. According to the passage , one thing eusocial insects can do is rapidly switch from

　　(A) one type of food consumption to another

　　(B) one environment to another

　　(C) a solitary task to a group task

　　(D) a defensive to an offensive stance

　　6. The task of feeding larvae is mentioned in the passage to demonstrate

　　(A) the advantages of specialization

　　(B) the type of food that larvae are fed

　　(C) the ways ant colonies train their young for adult tasks

　　(D) the different stages of ant development

　　7. The author uses the word "Hence" in line 16 to indicate

　　(A) a logical conclusion

　　(B) the next step in a senes of steps

　　(C) a reason for further study

　　(D) the relationship among ants

　　8. All of the following terms art defined in the passage EXCEPT

　　(A) eusocial (line 3)

　　(B) series-parallel sequence (line 13)

　　(C) caste (line 19)

　　(D) predators (line 23)

　　9. The word "they" in line 25 refers to

　　(A) termites

　　(B) ants

　　(C) places

　　(D) predators

　　10. It can be inferred from the passage that one main difference between termites and ants is that termites

　　(A) live above ground

　　(B) are eusocial

　　(C) protect their nests

　　(D) eat almost no animal substances

　　参考答案：DCABC AACAD