When cutting through Yuleishan Mountain, the workers used fire to heat stones and water to cool the rocks to. They applied the principle of thermal _____________ and cold contraction into practice.
举一反三
- You feel cool when you are near a lake or an ocean because （）. A: the water is cold B: the earth is hot C: the water is colder that the earth D: the cool air from the water moves towards the land
- Whichone is the efficacy ofwarm nature medicinal A: clear heat B: warm the center and dissipate cold C: drain fire D: cool blood E: resolve toxins
- To help ease the ____, heat can be applied to the area with a hot water bottle .
- Through exposure to air, water, and organic matter, rocks _____ changes known as weathering.
- When practicing at the water's edge, one should (). A: surface water B: back to the water to practice C: Practice side to water D: Practice away from the water