• 2022-06-06
    Can natural rubber be used in irrigation and drainage hoses?
    A: 正确
    B: 错误
  • A

    内容

    • 0

      Government policy can do nothing about the natural rate of unemployment. A: 正确 B: 错误

    • 1

      Price can be used to build customer base. A: 正确 B: 错误

    • 2

      中国大学MOOC: Natural rubber usually is much stronger and harder than vulcanized rubber.

    • 3

      All words can be used to convey conventional implicatures. A: 正确 B: 错误

    • 4

      Primary standard can be used to prepare standard solution directly. A: 正确 B: 错误