单项选择题
A. Tips for Patients with the Disease B. Common Treatment for the Disease C. Means of Diagnosis of the Disease D. Typical Symptoms of the Disease E. Possible Causes of the Disease F. Definition of Parkinson’s Disease
A．overtaken B．overseen C．overlooked D．overwhelmed
A．Smokers are usually considered to be at high risk for it. B．It is the leading cause of cancer deaths around the world. C．159,000 new cases of it are diagnosed in the US each year. D．It often goes unnoticed until it has spread.