2.Blindnessisacommon c__________ (并发症) ofdiabetes.
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Itisimportantto have youreyesexaminedregularlytocheckforany signofeye disease that maynot haveanys__________ (症状).
4.Dairy productsmayprovokea__________ (过敏的)reactionsinsomepeople.
5.Frequentlysufferersofthis kindofa__________ (过敏) arealsosufferersofasthma.
6.Heis inac__________ (昏迷)andon a life-supportmachine.