Level 1 · Reading series
Lesson 39 · Turn Off One Light
Audio track 39
Listen first
Listen once before opening the English passage.
Open the English passage and hover for word help
Before Ken leaves a room, he turns off an unnecessary light. It takes only one second.
The light bulb uses electricity. That electricity may come from a power plant, solar panels, or another source. Turning off a light can save energy.
One bulb is a small part of a home’s use. Still, repeated actions add up. Ken makes a daily rule: “Last person out, lights out.” A simple action works best when people remember it and use it safely.
Sentence practice
Play any sentence in Dicvo’s Jenny English voice. Before playing all, choose how many times each sentence plays. A practice pause about as long as the sentence follows each play, including before the next sentence. The complete reading remains above.
Choose a sentence to begin.
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Before Ken leaves a room, he turns off an unnecessary light.
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It takes only one second.
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The light bulb uses electricity.
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That electricity may come from a power plant, solar panels, or another source.
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Turning off a light can save energy.
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One bulb is a small part of a home’s use.
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Still, repeated actions add up.
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Ken makes a daily rule: “Last person out, lights out.”
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A simple action works best when people remember it and use it safely.
Check your understanding
After reading, state the main idea in one sentence and find a line that supports it.
Chinese translation
Ken 离开房间前，会关掉不需要的灯。这只要一秒钟。
灯泡消耗电力。电力可能来自发电厂、太阳能板，也可能来自其他来源。关灯能节省能源。
一盏灯在家庭用电中只占一小部分，但每天重复的小行动会积少成多。Ken 定下一条日常规则：“最后离开的人负责关灯。”简单的行动，只有被人记住并安全地做到，才能持续发挥作用。
Key words and expressions
Key terms have Chinese explanations. Hover over dotted words in the English passage for word help and pronunciation when available.
- room
- 房间。
- turn off
- 关掉电灯或设备。
- unnecessary
- 不必要的。
- light bulb
- 灯泡。
- electricity
- 电；电力。
- power plant
- 发电厂。
- save energy
- 节省能源。
- add up
- 积累起来；合计。
- daily rule
- 每天遵守的规则。
- simple action
- 简单的行动。
Background notes (Chinese)
节能不能只靠一个动作。关掉不必要的照明、选择高效设备、改善建筑、调整能源来源等，需要家庭、学校和社会共同努力，效果才能更大。