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【简答题】
结构化需求分析使用数据流图、数据字典、结构化语言、判定表和（）等工具，采用自顶向下、逐层分解的方法来定义系统的需求。
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皮皮学刷刷变学霸
举一反三
【单选题】The poly(A) tail of eukaryotic mRNA is approximately ___________ nucleotides in length.
A.
5
B.
25
C.
100
D.
250
E.
1000
【单选题】Kathy has good friends. She is happy with them.
A.
a few
B.
a little
C.
little
D.
few
【单选题】—Kathy and Alicia are good friends, aren't they? —_______.They are always together. [ ]
A.
Yes, they are
B.
No, they aren't
C.
Not at all
D.
Do you think so?
【简答题】The cap plays a role in the removal of the ___________ intron while poly(A) tail plays a role in the removal of the ____________ intron.
【单选题】30岁初产妇，妊娠39周，于晨4时临产，10时自然破膜，20时20分查宫口开大2 cm，此时应诊断为
A.
潜伏期延长
B.
活跃期延长
C.
活跃期停滞
D.
第二产程停滞
E.
第二产程延长
【单选题】林俊杰6月15日即将在合肥举办演唱会,演唱会门票有580元,780元,1080元,1280元和1680元5种档次,请问这采用了哪种定价方法?
A.
顾客差别定价法
B.
产品形式差别定价法
C.
产品部位差别定价法
D.
销售时间差别定价法
【单选题】Which translation initiation factor in eukaryotic cells mediates the combination of mRNA 5’-cap and mRNA poly(A) tail?
A.
eIF 4E
B.
eIF4A
C.
eIF4G
D.
eIF4B
【单选题】----Kathy, what do you think of my painting? ----_____________.
A.
That’s all right
B.
Pretty good
C.
Good idea
D.
Not at all
【简答题】Often away __________business trips, Kathy has grown tired of travelling. [A]for [B]in [C]with [D] from
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