• 2022-06-07
    It’s the strongest natural _____ and can stand very high temperatures and be machine washed.
    A: production
    B: gratitude
    C: fabric
    D: fabrication
  • C

    内容

    • 0

      Modern plastics can ______ very high and very low temperatures. A: stand B: B. hold C: C. carry D: support

    • 1

      The stage natural caving method is the most economical of all mining methods. If the conditions are suitable, it can also achieve high production capacity.

    • 2

      The stage natural caving method is the most economical of all mining methods. If the conditions are suitable, it can also achieve high production capacity. A: 正确 B: 错误

    • 3

      are very soft ,and can be used for bolts and for machine parts that do not need strength.: Alloy steels|High carbon steels|Low carbon steels|Medium carbon steels

    • 4

      Modern plastics can ______ very high and very low temperatures.