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MRS

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A. where Mrs White spent her holidays    where did Mrs White spend her holidays    where will Mrs White spend her holidays    where Mrs White will spend her holidays  
Mrs Smith   Mrs’ Smith   Mrs Smiths’   Mrs Smith’s  
so does Mrs Smith    neither doesn’t Mrs    nor does Mrs Smith    nor Mrs Smith does  
Mrs Smith  Mrs’ Smith
  
Mrs Smiths’  Mrs Smith’s
  
The shoemaker was angry with Mrs. Green.  The shoemaker said sorry to Mrs. Green.  The shoemaker was very glad when he received Mrs. Green's call.  The shoemaker didn't know someone had taken away the right shoe.  
so does Mrs. Smith  Mrs. Smith doesn't too   nor does Mrs. Smith  nor Mrs. Smith does  
can’t    needn’t    mustn’t    won’t  
so does Mrs smith    neither doesn't Mrs smith    nor does Mrs smith    nor Mrs smith does  
serious  common  untrue  similar  
MRS通常以谱线及数值表示代谢产物的信息  MRI得到的是解剖图像  外加磁场强度越低越有助于MRS谱线的显示  MRS对磁场的强度及磁场均匀度有着更高的要求  将MRS的信号变化标记到MRI上,直观显示代谢情况,称为MRS成像