若某战士是B型血,失血过多需输血时,应以输给何种血型的血为原则() A.A型 B

题型:选择题

问题:

若某战士是B型血,失血过多需输血时,应以输给何种血型的血为原则(  )

A.A型

B.B型

C.O型

D.AB型

考点:血液的组成和功能观察实验:观察人血的永久涂片观察实验:观察小鱼尾鳍内血液的流动
题型:选择题
先阅读短文,然后用下面方框中所给的单词或短语填空,使全文在逻辑上正确。(提示:选项中
有一个是多余的。)
habit     result      talk to      get over      sorry      mad
     I'd like to tell you a story about my best friend Jane. Last week in school we had a big fight, and she
didn't 1.            me. It all started when she asked me if she could copy my homework. I asked her why
she wanted to do that, and she said that she had forgotten to do hers. I said I didn't think it was a good idea.
I said it would start a bad 2.            and she should do her own work. She got really 3.            at me and
said she didn't want to be my best friend any more. I said that was OK and that I was sure she would 
4.            it. And she did. Yesterday she told me she was 5.           . She said it was much better if she did
her own work.
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ZD6系列电动转辙机自动开闭器的动接点在静接点片内的接触深度不大于4mm。()

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所有者通过经营者伤害债权人利益的常用方式有()。

A.不经债权人的同意,投资于比债权人预期风险要高的新项目

B.不顾工人的健康和利益

C.不征得原有债权人同意而发行新债

D.不是尽最大努力去实现企业财务管理目标

题型:选择题

巴豆在储存中易发生()

A.泛油

B.虫蛀

C.发霉

D.腐烂

题型:选择题

烟气中O2含量高的原因:(),(),()。

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