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问题 填空题

汽水管道，联箱及管道附件着重检验管子的（），（），（）及（）有无裂纹等超标缺陷。

答案

参考答案：弯头；三通；阀门焊缝附近；管子尽端死角部件

填空题

Questions 9-13


·You will hearfive people giving reasons why children learn their mother tongue so well.
·Before you listen, read the list of statements, five of which are summaries of what they were saying.
·Then listen carefully and match the statements (A-F) with the people who said them (9-13) respectively.
·There is one extra statement that you don’t need to use. You will hear the passage twice.
9. Maggie: ______
  • A. The time of their learning the mother tongue is the most
    favorable of all.
    10. Cherry: ______
  • B. Children hear their native language spoken always in its
    genuine form.
    11. Mike: ______
  • C. Children have private lessons all the time to learn their mother
    tongue.
    12. Hazel: ______
  • D. Children hear their native language spoken in all possible
    situations.
    13. Jody: ______
  • E. Children have special teachers to teach them.
  • F. Children have flexible organs and sensitive ear.
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单项选择题

在浮选生产过程中，随着入浮煤浆浓度的降低，稀释水用量和稀释水单位用量均大幅度地（）。

A、无影响

B、减小

C、增大
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