如图，为一右耳反复流脓20余年伴听力下降史的患者的头颅CT片，示有右额颞部硬膜下积脓
题型：多项选择题
问题：
如图，为一右耳反复流脓20余年伴听力下降史的患者的头颅CT片，示有右额颞部硬膜下积脓，右颞部脑水肿，中线结构左移，脑底池变窄、欠清晰，两侧裂及脑沟不清，大脑镰下疝。有关耳源性脑脓肿描述正确的是（）。
A.为脑组织内局限性积脓
B.多发生于小脑，其次为大脑颞叶
C.一般为单发，多发性者少见
D.致病菌以杆菌为主
E.也有混合感染者
题型：多项选择题
In year X a total of 355 billion dollars was spent for health care in the United States, 30 percent of which was spent by private health insurance companies. Was the amount spent for health care by the federal government’s medicare program less than 60 billion dollars ？（）
(1)In year X medicare spent more than 
, but less than 
, of the amount spent by the private health insurance companies for health care.
(2)In year X medicare spent 50 billion dollars less for health care than the amount spent by private health insurance companies.
A．条件(1)充分，但条件(2)不充分．
B．条件(2)充分，但条件(1)不充分．
C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D．条件(1)充分，条件(2)也充分．
E．条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．