[单项选择]

Passage Three
Bears mostly live alone, except for mothers and their babies, and males and females during mating season. Bears form temporary groups only in exceptional circumstances, when food is plentiful in a small areA. Recent evidence also suggests that giant pandas may form small social groups, perhaps because bamboo is more concentrated than the patchy food resources of other bear species. Other bears may live alone but exist in a social network. A male and female may live in an area partly shared in common—although they tolerate each other, each defends, its range from other bears of the same sex. Male young usually leave their mothers to live in other areas, but female young often live in a range that is commonly shared with that of their mother.
The key to a bear’s survival is finding enough food to satisfy the energy demands of its large size. Bears travel over huge territories in search of food, and they remember the details of the l
A. can get along with each other peacefully
B. share their range with each other
C. live in an area partly shared in common
D. cannot live peacefully in the same area

最新试题

• ●    [单选题]116.变压器的温升是指变压器（）与周围环境温度之差。
• ●    全国最大的蒙药厂是（）。
• ●    [判断题]MDS3400交换机采MSC交换机的时钟，DTL必须安装在控制层的1-6槽位
• ●    [单选题]质量管理工作中的PDCA循环中“C”是指（）。
• ●    [判断题]若山坡上明显出现裂缝，并有加宽、加长的现象，这意味着可能发生滑坡。
• ●    影响栓剂中药物吸收的因素有