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
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
举一反三
- 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.
- 5. There are coal, oil, and metal ______ burried deep in the ground. A: sources B: substances C: resources D: properties
- ( ) are usually low priced, and marketers place them in many locations to make them readily available when customers need or want them. A: Convenience products B: Shopping product C: Specialty product D: Unsought products
- Materials science can also do the converse: As desirable properties are defined, the material that can display them, although it might not exist in nature, is designed. What does the phrase "do the converse" mean? A: make an effect B: make every effort C: do sth from the opposite way D: prevent sb from doing sth
- He was praised for _________ a great contribution to his country. A: make B: making C: having make D: having made