The robots in use now can do many jobs ______.
A. independently through its own senses and actions
B. according to the instructions from human workers
C. according to the instructions from computer brain,
D. according to the instructions from communicating device
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银行的风险加权资产是指按照各种资产不同的( )计算的资产总量。
A. 风险权重比例
B. 风险结构
C. 风险数量
D. 风险质量
节水型社会建设“十一五”规划提出，到2010年，基本完成对运行超过50年以及老城区严重漏损的供水管网的改造，全国设市城市供水管网平均漏损率不超过( )。
A. 8%
B. 15%
C. 18%
D. 25%
The author maintains that habituation to excessive alcohol consumption can be learned. The method employed to do so, experimentally, which used reinforcement is ______.
A. the introduction of alcohol into the bloodstream by infection
B. the increase of the concentration of alcohol in the subject's drinking water
C. the use of anxiety in an avoidance - approach pattern
D. increasing the amount of alcohol the subject must drink each time before giving it a reward
下列选项中，对于欧洲货币市场兴起的原因，说法错误的是( )。
A. 东西方冷战时期前苏联和东欧国家持有的大量美元货币存人欧洲国家银行
B. 1957年英国政府加强了外汇管制
C. 美国的银行向英镑融资，英镑在欧洲可以自由兑换和买卖流通
D. 自1958年起，美国的国际收支逆差增大，致使许多国家将获得的剩余美元投向欧洲货币市场
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