These light bulbs look the same, but their ______ on the environment are different. A. solutions B. ...
2022-10-24 00:25:02 151次 2018年广州中考英语压轴专题练习卷：名词（选择题） 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
These light bulbs look the same, but their ______ on the environment are different.
A. solutions B. methods C. effects D. secrets
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