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问题 单项选择题

对孕妇及乳母进行尿碘监测，尿碘应不低于（）

A.150μg/L

B.200μg/L

C.400μg/L

D.800μg/L

E.1000μg/L

答案

参考答案：A

填空题
用方框内词组的适当形式填空。
break down , run off, show up, set off , on time, by the time, go off, sell out
1. The news of the earthquake ______panic among people.
2.  I'm sorry to tell you that the apples      __   in our supermarket.
3.  I won't leave the coffee shop until you______.
4.  My car     __ _ on the way and I had to have it repaired first.
5.  My alarm clock didn't _______  this morning, so I got up late.
6.  She always goes to school       _    and is never late for class.
7.  ______I got to school, the bell had already rung.
8.  I took a shower, had some breakfast and_______ to the bus stop.
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单项选择题

患者女性40岁，右上后牙3天来持续胀痛，一日来痛加重，不能咬物。两个月多来，该部位一直食物嵌塞重，要求诊治。查：龋中深，嵌塞食物在内，探龈 * * 痛出血，叩诊(+)，不松动，冷测同对照牙

目前主诉症状的原因（）。

A．中龋

B．深龋

C．慢性牙髓炎

D．牙龈 * * 炎

E．急性牙周脓肿
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