石油储量
参考答案:
油气资源中已经被证实的,当前经济和技术条件下可以被开采的石油资源量。
---I haven’t seen Jack for three days, is he ill?
---_______. His mother told me that he was in hospital.
A.I am afraid so
B.I hope not
C.I don’t expect
D.I am afraid not
女,44岁,右下肢麻木,左下肢乏力1年。查体:双侧胸8以下痛、温觉减退,左下肢肌力Ⅲ级,右下肢肌力Ⅳ级,左侧巴氏征阳性。
该病变常见部位为()
A.颈
B.胸
C.腰
D.骶
E.尾