the residue of nylon marine cardage
举一反三
- Strings of the same thickness made of nylon are ______.
- Wallace Hume Carothers is the inventor of nylon and neoprene.
- Wallace Hume Carothers is the inventor of nylon and neoprene. A: 正确 B: 错误
- Anna wants a tracksuit that is made of _____. A: cotton B: nylon C: wood
- A sense of humor is an important ________ for any teacher. A: asset B: landmark C: residue D: equity