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【单选题】
活塞环包括 和 两种。
A.
气环、油环
B.
气环、上油环
C.
气环、下油环
D.
气环、活塞环
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参考答案:
举一反三
【单选题】影响中药"散气变味"的主要因素是
A.
贮藏时间太久
B.
暴露空气中
C.
温度高,湿度大
D.
药材本身含易挥发性成分
E.
常温下即可自然挥发
【单选题】在头发上摩擦气球,二者相互吸引,气球和头发上的电荷总量在摩擦后的变化为:
A.
减少
B.
不变
C.
增加
D.
未知
【单选题】影响中药“散气变味”的主要因素是
A.
贮藏时间太久
B.
暴露空气中
C.
温度高,湿度大
D.
药材本身含易挥发性成分
E.
常温下即可自然挥发
【简答题】And how about maintaining relationships while in transit? Some keep contact with their friends via internet; some send letters and postcards, or even photos; others may just call and say hi, just to l...
【单选题】企业战略的内部环境分析包括
A.
企业的营销能力、财务状况、组织效能、企业文化进行分析
B.
判断分析环境的性质
C.
评估分析环境的影响
D.
对企业所处的产业进行结构分析
【单选题】先进的公共交通系统,其英文缩写为( )。
A.
AITS
B.
AGPS
C.
APTS
D.
ATIS
【简答题】A: Hi! Can I help you? B: It seems all the programs are 1____. At first, Excel did not work. And then all my files seemed to have gone. Why is my computer acting this way? A: Let me see. Does the Inte...
【判断题】影响中药散气变味的主要原因是外界其他因素或贮藏时间太长。
A.
正确
B.
错误
【多选题】Clare Powell has been feeling ill for a while. She has made an appointment to see her doctor and is talking about it with her friend, Sarah.
A.
my symptoms sound a bit like leukaemia.
B.
and I’ve had other flu-like symptoms for a while,too.
C.
How are you feeling?
D.
But those symptoms could mean a lot of things .
E.
I still feel really tired all the time . Sarah: Hi Clare. 1 Clare: Not great. 2 . I just never seem to have any energy at all. My back is still sore 3 . Sarah: When are you going to the doctor’s? Clare: I’m seeing my GP on Thursday morning. Sarah: Are you taking Thursday off work? Clare: Yeah. And Friday. Sarah: What did you tell your boss? Clare: Nothing. I’m just taking nothing to worry about. Sarah: You know, I’m sure it’s nothing to worry about. Clare: Maybe. But something doesn’t feel right and 4 Sarah: 5 . It could even just be flu, you know. It doesn’t mean you’ve got leukaemia Clare: That’s mice of you to say. But we’ll just have to see what the doctor says.
【单选题】影响中药“散气变味”的主要因素是()
A.
贮藏时间短
B.
湿度过小
C.
挥发油被氧化、分散或自然挥发的结果
D.
空气当中氧气含量过高
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