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【单选题】
用AgNO 3 滴定液测定NaCl的含量,若T AgNO3/NaCl =1.00x10 -2 g/ml,达到终点时,用去AgNO 3 滴定液22.00ml,则样品中NaCl的质量为( )A.
0.022g
B.
0.058g
C.
0.22g
D.
0.58g
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举一反三
【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 making 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
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