4. Chemicals in the body ________________ our food into useful substances. （分解）
举一反三
- Chemicals in our body_________our food_________into useful substances. A: break;out B: break;in C: break;down D: break ;up
- Materials are _________. A: the matter of the universe B: these substances having properties that make them useful in structures and machines C: these substances having properties that make them useful in products and systems D: these substances having properties that make them useful in structures, machines, devices, products, and systems
- Materials are _________. A: the matter of the universe B: these substances having properties that make them useful in structures and machines C: these substances having properties that make them useful in products and systems D: these substances having properties that make them useful in structures, machines, devices, products, and systems.
- Food labels may ( ) our body's response to food. A: influence B: persuade C: pressure D: prejudice
- Food labels may ( ) our body's response to food. A: influence B: persuade C: pressure D: prejudice