The natural atmosphere that we breathe contains not only gaseous constituents but also large numbers of liquid and solid particles.
举一反三
- Petroleum is a ( ) mixture of solid, liquid, and gaseous hydrocarbons that occurs naturally beneath the Earth's surface.
- The Earth is surrounded by an ocean of gases we call the atmosphere. The atmosphere is important because it contains the air most living things breathe. It also absorbs heat energy from the sun. It even recycles water by returning it back to the Earth as rain. Without the atmosphere, life as we know it could not exist on Earth. The atmosphere is important for the single reason that most living things need to breathe on Earth. A: Right B: Wrong C: Not mentioned
- Proteins are the principal constituents of cells and determine not only cell structure but also cell function.
- The meaning of a sentence contains not only the lexical meaning but also the meaning of intonation.
- Scattering is the change in the direction of electromagnetic energy caused by ( ). A: Particles suspended in the atmosphere B: Water droplets C: Large molecules of atmospheric gases D: Dust