首页 › 答案 › 题库 › 慕课 › 未分类

One of the features of auto-immune diseases is that they（）within individuals and sometimes within an individual's family.

One of the features of auto-immune diseases is that they（）within individuals and sometimes within an individual's family.
A.pack
B.pad
C.cluster
D.squeeze
正确答案：cluster
标签：大学英语综合教程
上一条：Just as women now demand for themselves greater freedom to express different（）of themselves, so too do some men, although not nearly so many of them.
下一条：Competition for limited resources is an inevitable feature of life so long as reproduction occurs in the context of（）supplies.