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【单选题】
下列椎管内肿瘤的特点，错误的是A.
可发生在脊椎的任何节段，以胸段的发生率最高
B.
根据病因分为原发性和继发性
C.
根据肿瘤部位分为髓内、髓外硬脊膜下和硬脊膜外肿瘤
D.
儿童椎管内肿瘤位于髓内和硬脊膜外者较成人少见
E.
椎管内不同的肿瘤有其特有的好发部位
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皮皮学刷刷变学霸
举一反三
【单选题】Even today, (through) the (hustle and bustle) of Nevsky Prospect, St. Petersburg's main street, the (classical) beauty of the city (mesmerizes) the eye.
A.
through
B.
hustle and bustle
C.
classical
D.
mesmerizes
【单选题】Those who even fail to complete their high school studies ______.
A.
are unlikely to find stable employment until the age of 25
B.
usually attend vocational schools to get the required skills
C.
cannot find any jobs at all until the age of 25
D.
usually find jobs in the service industry
【简答题】破碎废坯时,一般()并采用人工给料。
【判断题】The periodic even stores information about how elections are arranges in the atoms of each element.
A.
正确
B.
错误
【单选题】The good feeling derived from laughter can stay with us as______even after the laughter stops.
A.
an inner experience
B.
a lifelong experience
C.
an outward experience
D.
a mental reward
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