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【单选题】
已知 M ZnO =81.38g/mol , 用它来标定 0.02mol/L 的 EDTA 溶液,配制成250ml溶液时宜称取 ZnO 为 :A.
4g
B.
1g
C.
0.4g
D.
0.04g
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【单选题】Data structures organize data in ways that make ____ more efficient.
A.
data
B.
instruction
C.
algorithms
D.
memory
【单选题】IP multicasting is a set of technologies that enable efficient delivery of data to many locations on a network. Rather than multiple copies of a message intended to be distributed to multiple r...
A.
point
B.
bottom
C.
head
D.
sight
【单选题】Efficient data mining is dependent upon ____.
A.
good forecasting tools
B.
top management commitment
C.
high-speed technology
D.
data warehouses
【单选题】_____data have been collected for the building of the project. Effective Sufficient Efficient Affective
A.
Effective
B.
Sufficient
C.
Efficient
D.
Affective
【简答题】Data structure organize data in ways that make ______ more efficient.
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