母离子质量120质量单位和子离子质量105质量单位,其亚稳离子的m/z是 ① 。

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问题:

母离子质量120质量单位和子离子质量105质量单位,其亚稳离子的m/z是

考点:普通考研10医学中药专业硕士分析化学7
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青海省的城市和人口主要分布在(  )

A.湟水谷地

B.藏南谷地

C.黄河谷地

D.柴达木盆地

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先阅读短文,掌握其大意,然后从方框给的词中选出最恰当的10个,并用其适当形式填空,每个词只限用一次。(10分)
leaf,  then,  large,  learn,  ones,  grow,  thick,  has,  mean,  first,  easy,  begin
  Everybody likes oranges. They are sweet and juicy. They are in sections, so it is   小题1: to eat them. Some oranges do not have any seeds(种子). Some have a   小题2: skin, and some have a thin skin.
The orange tree is beautiful. It has a lot of shiny green   小题3: . The small white flowers smell very sweet. An orange tree   小题4: flowers and fruit at the same time.
There were orange trees twenty million years ago. The oranges were very small, not like the  小题5:  
today. The orange tree probably came from China. Many different kinds of wild oranges  小题6:  in China today. The Chinese started to raise(栽培) orange trees about 4,400 years ago.
Farmers in other parts of Asia and the Middle East   小题7:  to raise oranges from the Chinese.  小题8: they taught Europeans. The Spanish planted orange trees in the new world (North and South America). They took them to Florida   小题9:. Oranges are a very important crop in Florida today.
In English, orange   小题10: both a fruit and a color. We use the name of the fruit for the color.
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其他干制蘑菇及块菌

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()单板是控制框的信令交换中心,用以完成各模块间的信息交换,并提供对外连接资源框的控制以太网通道。

A.ROMB

B.RCB

C.CHUB

D.UIMC

题型:填空题

乙型肝炎的主要传播途径是()

A.体液

B.吸血节肢动物

C.消化道

D.呼吸道

E.土壤

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