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【单选题】
表长为n的顺序存储的线性表，当在任何位置上删除一个元素的概率相等时，删除一个元素所需移动元素的平均个数为( )。A.
n
B.
n／2
C.
(n－t)／2
D.
(n＋1)／2
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【单选题】DNA复制时,以5'-TAGA-3'为模板,合成产物的互补结构为
A.
5＇-TCGA-3＇
B.
5＇-TAGA-3＇
C.
5＇-ATCT-3＇
D.
5＇-AUCU-3＇
E.
5＇-UCUA-3＇
【单选题】I was about to leave when it _______to me that I had not turned off the gas in the kitchen.
A.
Appealed
B.
happened
C.
occurred
D.
struck
【简答题】在分光光 度法中,透射光强度 (I) 与入射光强度 (I 0 ) 之比 I /I 0 称为 (
) 。A. 吸光度 B. 吸光系数 C. 透光度 D. 摩尔吸光系数
【简答题】翻译:我希望它能战胜所有对手,夺得冠军称号
【简答题】To Whom It May Concern: On March 5, 2012 , I bought a Perfect Muffin Kit(松饼粉 ) from your store at Midfield Shopping Center. The cashier who assisted me was George. George was very friendly and told me...
【简答题】读一读，画一画。 I have short hair. I have big eyes and a small mouth. I have a big nose and big ears.
【简答题】To Whom It May Concern: On March 5, 2012 , I bought a Perfect Muffin Kit from your store at Midfield Shopping Center. The cashier who assisted me was George. George was very friendly and told me that ...
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