23．The number of women dying from breast cancer has fallen to its lowest level records 【查看更多】

 

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The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.


  1. A.
    when
  2. B.
    before
  3. C.
    since
  4. D.
    after

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The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.

A．when          B．before       C．since        D．a(chǎn)fter

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The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.

A．when                     B．before            C．since             D．a(chǎn)fter

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The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.

A．whenB．beforeC．sinceD．a(chǎn)fter

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