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【单选题】
被广泛用于直流电器中的灭弧方法或灭弧装置是 ()A.
电动力吹弧
B.
窄缝灭弧室
C.
磁吹灭弧
D.
栅片灭弧
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【单选题】A child's development might well be badly affected if ______.
A.
he was subjected to unusually strict discipline
B.
his mother often gave in to his demands
C.
his energies were freely given an outlet
D.
he were brought up in a happy environment
【多选题】进口货物的价款中单独列明的下列税收、费用，下列（ ）不计入该货物的完税价格。
A.
厂房、机械、设备等货物进口后进行建设、安装、装配、维修和技术服务的费用
B.
进口关税及国内税收
C.
货物运抵境内输入地点起卸后的运输及其相关费用、保险费
D.
境内外技术培训及境外考察费用
【单选题】A child's development might well be adversely affected if______.
A.
he were subjected to unusually strict discipline
B.
his mother often gave in to his demands
C.
his energies were freely given an outlet
D.
he were brought up in a happy environment
【简答题】The Secretary General said the region must now s_____ for economic development as well as peace.
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