Unemployment was proving to be an _____ problem. A: ungovernable B: unmanageable C: uncontrollable D: intractable

Theyoungclerkwasquicklypromotedwhenhisemployerssawhow______hewas. A: indigent B: assiduous C: autocratic D: industrious E: intractable F: self-serving

He was ______ and ready to conform to the pattern set by his friends. A: complacent B: compliant C: determined D: intractable

Combination of posteroventral pallidotomy (PVP) and thalamotomy is advisable for PD patients with intractable tremor. (D) A: brain B: brainstem C: cerebellum D: thalamus