以下是煤矿上常用的风机型号,()属于轴流式风机。 A.4-72型 B.G4-73型

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问题:

以下是煤矿上常用的风机型号,()属于轴流式风机。

A.4-72型

B.G4-73型

C.2K60型

D.BDK型

E.62A14型

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题型:多项选择题
阅读理解。
以下四个方框中的内容是四位中学生向某报编辑诉说的烦恼,下边四个方框中的内容是编辑提供给她们的建议。请将它们一一配对。
( )1. My parents never allow me to play computer games at all. They want me to study all day and do
           well in my  exams. I feel unhappy.
( )2. I found that my mother read my dairy when I was out. I don't think anyone, even my parents,
           has the right to read  my diary. Now I feel hurt and sad.
(      )3. Sometimes I get angry easily and shout at my friends. That makes them think I'm not being
            friendly to them.
( )4. One of my classmates gave me a nickname. I really don't like it because I think he laughs at me.  
            I feel sad.
A. When you feel angry, you should stop talking and count to ten or walk away until  you keep quiet.
B. He doesn't mean to hurt you. Each time he calls you that, tell him politely you don't like it. I'm sure
     he will not call you in that way any more.
C. You need to sit down and really talk to your mother about this. Don't get angry. Use calm, clear 
     words to explain. Tell them that you are old enough to have more privacy ( 隐私).
D. Tell your parents that many kids play computer games and do well at school, too. Ask them to allow
     you to play for a short  time on weekends.
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公安干警在缉毒行动中,训练有素的缉毒犬屡建奇功,它可以嗅到毒品的原因是[ ]

A.分子在不断运动

B.分子是可以再分的

C.分子体积极小

D.分子间有空隙

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坚持求真务实的根本要求是()

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下列哪项符合晚期肺癌的表现()

A.咳嗽

B.咯血

C.锁骨上淋巴结肿大

D.声音嘶哑

E.Cushing综合征

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何谓半衰期?某药的半衰期为6小时,一次给药后需多少时间可从体内基本消除(消除95%以上)?

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