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问题 单项选择题

暗黑色的瓶装奶是为了防止何种维生素受破坏。（ ）

A．B2

B．B1

C．C

D．E

答案

参考答案：A

填空题

减小通风机出口处速压损失的附属装置是（）。
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填空题

Questions 9-13


·You will hear five people talking about "Whether They Write for Themselves or for Their Readers ".
·For questions 9 to 13, choose from the list A to F what each speaker says.
·Use the letters only once. There is one extra letters which you do not need to use.
  • A. It all depends on the type of writing.
  • B. I always write for myself and never care about the readers.
  • C. I definitely write for myself but I try not to cause unnecessary offences.
  • D. I actually write both for myself and for my readers.
  • E. I have no idea at all for whom I write.
  • F. I write mostly for myself and hope for any readership.
    Speaker 1 (/9 )
    Speaker 2 (/10 )
    Speaker 3 (/11 )
    Speaker 4 (/12 )
    Speaker 5 (/13 )
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