题目内容

流明是投影仪主要的技术指标,流明值越高表示越亮,明亮度越高则在投影时就不需要关灯。 ( )

A. 对
B. 错

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更多问题

当投影仪关闭后,为何不能立即拔掉电源线。

投影仪出现色彩不饱满现象的原因是什么?

B. Rewrite each sentence using the adjectives in parentheses to describe the underlined noun. Put the cumulative adjectives in the correct order.1. We replaced the tile in our kitchen. (broken, old, white)

2. There are paintings in the living room. (Japanese, two, small)

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