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【单选题】
轻型蛋用种鸡适宜的配偶比例是
A.
1：15 ~ 20
B.
1 ：12 ~ 15
C.
1 ：10 ~ 12
D.
1 ：8 ~ 10
E.
1 ：4 ~ 6
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Who takes care of the elderly in the United States today The fact is that family members provide over 80% of the care that elderly people need. In most cases the elderly live in their own homes, a ver...
A.
Most old people live longer today after an illness than people did years age.
B.
Many old people are put into nursing homes by their families, who do not visit them regularly.
C.
Most elderly people are taken care of by their families, who assume the responsibility for different reasons.
D.
Most elderly people are satisfied with the better ways of care giving that social workers have come up with.