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【单选题】
一般而言,不随业务量的变动而增减变化的是( )
A.
变动成本总额
B.
单位固定成本
C.
单位变动成本
D.
半变动成本(混合成本)
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举一反三
【单选题】The discussion was so ______ that at intervals the speakers stopped for refreshments.
A.
exhausted
B.
exhausting
C.
excited
D.
exciting
【单选题】The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ______.
A.
gas composition
B.
gas temperature
C.
pressure
D.
timing
【判断题】The clothing manufacturers are so interested in people like Katy because she is good-looking.
A.
正确
B.
错误
【判断题】People like Katy are paid for their opinions.
A.
正确
B.
错误
【判断题】艾滋病病毒是DNA病毒。
A.
正确
B.
错误
【单选题】艾滋病很难治愈,主要是因为:
A.
艾滋病病毒容易变异
B.
艾滋病病毒结果复杂
C.
艾滋病毒可“沉睡”在细胞DNA中多年
D.
艾滋病病程凶险
【判断题】根据《关于加强保险中介业务管理防范保险诈骗的通知》,保险公司发现代理机构超越权限,或者有损害投保人、被保险人利益的要及时纠正,严重的要追究其违约责任。
A.
正确
B.
错误
【单选题】Sport provides an ______ for a teenager's feelings of energy.
A.
overflow
B.
exit
C.
outlet
D.
exhaust
【单选题】Kruskal-Wallis检验主要用于检验()
A.
两个配对总体的分布是否相同
B.
两个独立总体的分布是否相同
C.
K个配对总体的分布是否相同
D.
K个独立总体的分布是否相同
【单选题】Advocates believe that students who are schooled at home and in the community ______.
A.
exhibit the American can-do spirit
B.
will be more likely to home-school their own children
C.
lack basic social skills
D.
are more culturally sophisticated
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