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问题 单项选择题

以下哪项呼吸防护用品维护保养措施是不正确的（）。

A.压缩空气气瓶定期到具有相应压力容器检测资格的机构检测

B.防护用品的所有部件发现破损、部件丢失或老化现象及时更换

C.发现滤毒罐失效，应自行重新装填滤毒罐或滤毒盒内的活性炭

D.不使用有机溶剂（如丙酮、油漆稀料）清洗粘有油漆的面罩和镜片

答案

参考答案：C

听力题

Parents are the closest p  小题1:   to you in the world and they will do almost (几乎) a  小题2:   for you. But many teenagers c  小题3:   get on well with their parents, because they feel that their parents are n 小题4:   interested in those topics that they are interested in and they can’t understand each o  小题5:  .

Many kids feel that w  小题6:  . But you and your parents will be much happier if you can be f  小题7: . Here are some ways for you to have a good talk w  小题8:   your parents:

a) F  小题9:   a good time to talk with them, for example, when you are eating dinner, going out for a walk or watching TV.

b) Tell them something you are interested in. Tell them the interesting t  小题10:  in your school.

c) Ask them about their lives when they were young. They love to talk about that!
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单项选择题

男性，57岁，因急性下壁心肌梗死入院。检查BP90／60mmHg，心率42次／分，律齐，最可能的心律失常是（）

A.心房纤颤B

B.房性期前收缩

C.室性心动过速

D.Ⅲ度房室传导阻滞

E.完全右束支传导阻滞
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