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问题 单项选择题

常用于普查发现早期子宫颈癌检查的方法是（）。

A.宫颈碘试验

B.宫颈刮片细胞学检查

C. * * 镜检查

D. * * 镜下宫颈多处活检

E.宫颈锥切活检

答案

参考答案：B

填空题
阅读短文，从方框中选择适当的词填空（每次限用一次）
But  happy   Nobody   friends around
This morning a big rock was in the way. (86)_____knew where it was from. All the cars had to go(87) _____it. Ben saw the rock. He tried to move it. (88)_____it was so heavy. He called three of his (89)______to help. Little by little the rock was moved out of the street. They pushed it to a nearby park. Ben was (90)_____ to see people sit on the rock in the park.
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单项选择题

与电镀液中锡泥量没有关系的离子浓度是（）。

A、[H+]

B、[EN]

C、[Fe2+]

D、[SO42-]
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