题目内容

在下列直接盖髓术的操作注意事项中，最重要的是

A. 无痛术
B. 无菌操作术
C. 生理盐水冲洗
D. 动作轻巧
E. 去净腐质

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在下列多路复用技术中，适合于光纤通信的是________。

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下列哪一项检查便于白血病的牙龈病损的临床诊断

A. 根尖片
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C. 血常规
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E. 以上都不是

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B. to be
C. was
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The most widely seen sculptural work clone by Augusta Savage was probably "Lift Every Voice and Sing" , shown at the 1939-1940 New York world's fair.

A. viewed
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C. circulated
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