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【单选题】
Discouraging the use of plastic belongs to the second type of energy conservation.A.
Y
B.
N
C.
NG
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【单选题】The first two stages in the development of civilized man were probably the invention of primitive weapons and the discovery of fire, although nobody knows exactly when he acquired the use of the latte...
A.
space
B.
Origin
C.
invention
D.
copy
【单选题】The first two stages in the development of civilized man were probably the invention of primitive weapons and the discovery of fire, although nobody knows exactly when people acquired the use of (1)__...
A.
the latter
B.
the later
C.
the second
D.
the latest
【单选题】The first two stages in the development of civilized man were probably the invention of primitive weapons and the discovery of fire, al though nobody knows exactly when acquired the use of (1)_____. T...
A.
the latter
B.
the later
C.
the second
D.
the latest
【简答题】标准电极电势是否等于电极与周围活度为1的电解质溶液之间的电势差?
【简答题】过程系统工程的核心思想是( )和( )思想。
【简答题】标准电极电势是否就等于电极与周围活度为1的电解质溶液之间的电势差？
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