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【单选题】
患者男，67岁，胸背部疼痛1个月，加重伴双下肢麻木无力1。CT显示胸3水平椎管内硬膜外可见一椭圆形软组织密度肿块影，CT值约55HU，硬脊膜囊及脊髓受压，肿块沿椎间生长，右侧椎板、横突及部分椎体骨质破坏，骨皮质变薄，局部中断。CT增强扫描肿块明显均匀强化，CT值达110HU，边界较清晰，最大横切面直径约为1.5cm×3.5cm。依据上述表现及检查结果，该患者可能患有的疾病是（）。A.
胸椎骨髓瘤
B.
胸椎血管瘤
C.
胸椎转移瘤
D.
胸椎脊索瘤
E.
胸骨骨巨细胞瘤
F.
胸骨骨母细胞瘤
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【简答题】A．technicians B．workers C．salesmen D．professors
【多选题】下列叙述，（）是商誉的特征。
A.
形成商誉的个别因素不能单独计价
B.
商誉是企业整体价值扣除全部有形资产及无形资产以后的差额
C.
商誉不能与企业可确指的资产分开出售
D.
商誉是企业长期积累起来的一项价值
E.
商誉是企业各项商标价值的总和
【单选题】As one of the youngest professors in the university, Longfellow is certainly on the ______ of a brilliant career.
A.
porch
B.
edge
C.
threshold
D.
fringe
【简答题】A．Most professors are not very committed to the program. B．Some professors may go elsewhere to teach. C．Some professors treat students badly. D．The quality of professors is not satisfactory.
【简答题】All the professors and associated professors are ______ to meet in the college room on Sunday. (A) required (B) responded (C) requested (D) demanded
【简答题】A．government B．guards C．students D．professors
【单选题】The president as well as a number of professors ________ asked to attend the party.
A.
was
B.
were
C.
be
D.
being
【单选题】The university ____ consists of full professors, associate professors and assistant professors.
A.
crew
B.
rank
C.
circle
D.
staff
【简答题】如图，在Rt△ABC中，∠ABC=90°，∠ACB=30°，将△ABC绕点A按逆时针方向旋转15°后得到△AB 1 C 1 ，B 1 C 1 交AC于点D，如果AD= ，则△ABC的周长等于 .
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