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问题 单项选择题

党对公安工作领导的( )，就是要求公安机关必须无条件地置于党中央及各级党委的领导之下，不得以任何理由或借口削弱、抵制、损害或者摆脱党的领导。

A．全面性
B．直接性
C．绝对性
D．五条件性

答案

参考答案：D

填空题

根据句意用括号内所给词的适当形式填空。

1. Thank you for _____ (organize) the class trip.

2. This is the _____ (child) playhouse.

3. His brother _____ (study) English very hard.

4. —Whose is this sweater?    —It's _____ (he).

5. —What do you use to brush your _____ (tooth)?  

    —Toothbrush.

6. —Who _____ (cook) the meals in our home?

    —My mother does. She is a very good cook.

7. —When is _____ (teacher) Day? 

    —On September 10th.

8. We are really _____ (excite) at the exciting news.

9. He is _____ (dress) up as a ghost.

10. Do you have _____ (some) books about Halloween?
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单项选择题 A1/A2型题

胆道出血、感染时，胆汁回声强度发生变化，下列变化的规律错误的是（）

A.感染的胆汁可出现密集点状回声

B.混有血细胞的胆汁回声显著增强

C.混有血凝块的胆汁回声增强

D.混有微气泡的胆汁回声衰减显著

E.脓性胆汁回声增多
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