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  3. Another factor in the display of art objects (concerns their continued preservat

Another factor in the display of art objects (concerns their continued preservat

游客2025-05-10  20
问题 Another factor in the display of art objects (concerns their continued preservation). Because of the sensitivity of some of the materials (used in their creation), it is necessary to control (within narrow limits) the temperature, humidity, and lighti
选项 A、concerns their continued preservation
B、used in their creation
C、within narrow limits
D、which
答案 D
解析 (改为：to which)expose to为语组，引导定语从句时，to提前，用to which．
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