词语辨析
A. appreciate, thank
  Your offer of help was in time, and I really_______it at that moment.
  So many volunteers joined in the efforts in helping me. I really don't know how to _______them enough.
  Since you_______ her doing you such a favour,why not do something in return for her?
B. fast, quick, rapid
I am sure that the_______ spread of Flu A is alarming the medical authorities.
  Seeing him run so_______, I knew I couldn't match him in the race.
Did you notice that it was always he that gave a_______answer to the teacher's question?
C. suggest, advise
  Who_______ leaving such a young man in charge of the project?
  My dentist_______ me to have my teeth examined regularly.
D. result in, result from
  Your bad cold _______ your being caught in a heavy rain.
  His serious error _______ a great loss to our company.