举一反三
- Air preheater is a heat exchange device which uses the heat of flue gas to heat the air needed for combustion. () A: Right B: Wrong
- ______ ______ 1. There was no heat in the light of the sun, and there was a __________ (sharp) in the still thin air that made the men jump on their spade halts ferociously and beat the sods as if they were __________ (live) enemies.
- Which is not one of the Five Elements? A: Air B: Metal C: Earth D: Wood
- Check the Five things which the speaker s sya they are not looking forward to.
- Which of the following is an advantage of glass lenses? A: Good hardness B: Good heat resistance C: Light D: Thin E: Good impact resistance
内容
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Which of the following effects does not the light bamboo leaf have? A: Clear away heat B: Promote diuresis C: Induced abortion D: Invigorate qi
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The sun gives light and heat, ___ makes it possible for plants to grow.
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Among the five modes of transportation, which one is the fastest? A: Road transportation B: Air transportation C: Railway transportation D: Pipeline transportation
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翻译句子：Heat and light can be given off by the chemical change.
- 4
Which of the following statement about The five-elements theory is NOT true？ A: The five-elements theory relates to concepts that were developed over time in the daily life of the people of ancient China. B: The five elements are water, wood, soil, fire and metal. C: The theory holds that these five elements are the five base materials which make up all the things in the natural world. D: Wood refers to the category of things that have the nature of soil and land.