胆脂瘤型中耳炎可发生鼓膜____或____穿孔,脓臭,并带有____。乳突X片可显示鼓隐窝、____和____有边缘整齐的圆形透光区。
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【B10】
A. friendly
B. talkative
C. easy-going
D. passionate
The word "hazing"(Para. 6)probably means______.
A. shooting them with rubber bullets
B. driving them away
C. gathering and catching them
D. threatening them away
关于冰箱的报警温度设置,对于贮存全血的冰箱温度应高于8℃,对于贮存新鲜冰冻血浆的冰箱温度应高于-20℃。()
采取负责的态度以避免危及自己或他人的安全,仅是专职安全人员的职责。()