题目内容

刘先生，注射青霉素后感到胸闷、气急，护士发现患者面色苍白、冷汗、发结，血压60/40mmHg。此时，护士应立即为患者安置( )

A. 半坐卧位
B. 中凹卧位
C. 头低足高位
D. 头高足低位
E. 截石位

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Sally Johnes is one of Dr Hehn's patient's. She is going on holiday to the Caribbean and need immunization against hepatitis A. Before the doctor gives Sally the injection, she ask Anna to do a blood test.A: Anna S:SallyA: Good morning.S: Good morning. I’m Sally Jones. I have an appointment for a blood test.A: Oh, yes, Ms Jones. Would you like to go to straight into the treatment room? I’ll get Dr Hehn an d we can take the blood sample straight away.S: Oh, right.A: So, Ms Jones. Could you 1your jumper and 2 your sleeve, please?S: Is that high enough?A: That’s fine. Now, I’m just 3 a tourniquet before I take the sample. Does that feel OK? Not too tight?S: No, it’s OK.A: Good. And now the needle. This might hurt a little bit. There we are. There that’s it. Now we can 4 the tourniquet, 5 the needle and we’re done.S: Great.A: Could you just hold this cotton wool swab on your arm for a minute or two, please?S: Sure.A: Right. Let’s 6 a plaster and then we’re done. So, that’s it.

[音频]

A. 不,我不是中国人
B. 是的,我是日本人.
C. 是的,我是中国人.
D. 你是中国人吗?

以下关于声音的产生与传播选项错误的是（）

A. 声音是由振动产生的
B. 声音可以通过气体、液体、固体传播
C. 振动停止，发声也停止
D. 声音也可以在真空中传播

以下数字音频文件格式中属于有损压缩格式的是（）。

A. wav
B. flac
C. mp3
D. ape