26：How many reasons for care-giving have been found by social workers9
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11：第三篇Reading Comprehension: War may be a natural expression of biological instincts
A. it threatens the existing social systems
B. it is influenced by society
C. it has roots in religious conflicts
D. it is directed against institutions of law
5：Which of the following is likely to be a topic of the Oprah Winfrey show？
A new type of robot.
B. Racist hatred.
C. Family budget planning.
D. Street violence.
北京某体育馆的修建最主要的目标是迎接2008年奥运会个别项目的比赛，那么首要的成本或收益就包括（）
A. 日常维护的费用和日常收入
B. 体育场馆占用的土地和收入
C. 支付给维护人员的费用和日常收入
D. 建造成本和奥运会收入
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