diagnose
A. to find out what is wrong with someone
B. to cause a lot of disagreement
C. to obtain from a source
D. to use food to produce energy
species
A. a division of animals or plants
B. a group of young animals
C. a person or thing that comes after another
D. a branch where a bird rests
variation
A. a difference or change from the usual amount or form
B. a system of organization with ranks
C. an effort or attempt
D. something successful or impressive
ascribe
A. to respect and admire somebody or something very much
B. to believe that something happens because of something else
C. to have a strong feeling of shock and dislike
D. to consider behavior and attitudes to be normal and right
hurdle
A. a frame that a person or a horse has to jump over during a race
B. a focus of public attention, esp. from newspaper, television, etc.
C. intense joy or delight
D. one who delivers commercials on radio or television
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