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【单选题】
为了形象、直观地表示数值大小及变化趋势时，往往选择( )。A.
文字
B.
表格
C.
图表
D.
没有办法
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皮皮学刷刷变学霸
举一反三
【单选题】The difference between a permutation and a combination is
A.
a combination is based on the classical definition of probability.
B.
in a permutation order is not important and in a combination it is important.
C.
in a permutation order is important and in a combination order is not important.
D.
a permutation is based on the classical definition of probability.
【单选题】Injectors on modern engines are cooled by a combination of the intensive bore cooling in the cylinder by a combination of the intensive bore pockets and by the fuel which is re-circulated through the ...
A.
slope
B.
base
C.
top
D.
bottom
【简答题】从化学结构上看,糖类是()或(),或者()后可以生成多羟基醛或多羟基酮的化合物。
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