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问题 单项选择题

Paget病又称为（）

A.骨髓炎

B.畸形性骨炎

C.骨转移瘤

D.原发性骨肿瘤

E.多发性骨髓瘤

答案

参考答案：B

解析：畸形性骨炎（Paget病）是一种骨质代谢紊乱性疾病。

单项选择题

Today, under such an unfavorable social condition, many postgraduate students hardly can escape from being sidetracked by things that are irrelevant to their healthy development.

A. could hardly escape from being
B. can hardly escape being
C. hardly can escape from

D. can hardly be escaping
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单项选择题

配电网正常运行方式应与（）运行方式统筹安排，协同配合。

A、发电厂

B、用户

C、上一级电网

D、下一级电网
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