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【单选题】
病人，洪先生，57岁。有慢性支气管炎病史，最近咳嗽加剧，痰黏稠，伴呼吸困难，给予超声雾化吸人庆大霉素和稀释痰液的药物治疗。指导病人超声雾化吸入时，错误的是A.
先解释说明目的
B.
打开电源开关，调节雾量
C.
嘱病人吸气
D.
吸入时间15min
E.
治疗毕，先关雾化开关，再关电源开关
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【简答题】我国证券交易所是按公司制方式组成。( )
【单选题】— His father used to be the mayor of the city. — _____. What is important is whether he has the ability to do the job well. [ ]
A.
It's up to you
B.
That depends
C.
Not at all
D.
That's not the point
【单选题】What does the writer say about the classified advertisements that used to be put in the papers?
A.
They used to be voluntary.
B.
They used to use display type.
C.
They were all of the same size.
D.
They were more formal.
【单选题】What does the writer say about the classified advertisements that used to be put in the papers?
A.
They used to be voluntary.
B.
They used to use display type.
C.
They were all the same size.
D.
They were more formal.
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