In winter, some people energy by lowing the heat at night.
conserve
举一反三
- It is a winter night ___he spent with me last night.
- It is a winter night ______ he spent with me last night. A: that B: where C: as D: when
- Some night clubs stay ___ late until deep into the night. (open, opened)
- It happened on ________ winter night.
- Heat energy and energy are the middle processes of energy transformation in an electric power plant.
内容
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中国大学MOOC: Some people become （4） in winter, when the days are dark and most people spend less time in the open air.
- 1
Heat energy and energy are the middle processes of energy transformation in an electric power plant. (chemical / mechanical)
- 2
The author disagrees with Dr．Burton because A: few people can wake up feeling fresh and alert. B: some people still feel tired with enough sleep. C: some people still feel sleepy with enough sleep. D: some people go to bed very late at night.
- 3
It was ______ cold winter night and the moon was shining brightly across ______ night sky.
- 4
It happened on ________ winter night. A: / B: the C: an D: a