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【单选题】
This passage is mainly aboutA.
the meaning of a budget
B.
the relation between budget and income
C.
the way m which a budget is made
D.
the importance of making a budget
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反馈参考答案：
举一反三
【简答题】锚定信号序列(signal-anchor sequence，anehor sequence)
【简答题】若钝角△ABC的三边a，b，c满足a＜b＜c，三内角的度数成等差数列，则 ac b 2 的取值范围是______．
【简答题】统计工作可划分为 ; ; 和 四个阶段。
【单选题】Prokaryotic chromosomes consist mostly of unique sequence DNA only. repetitive sequence DNA only. either unique sequence or repetitive sequence DNA. both unique sequence and repetitive sequence
A.
both unique sequence and repetitive sequence
B.
either unique sequence or repetitive sequence DN
C.
repetitive sequence DNA only.
D.
unique sequence DNA only.
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