题目内容
（请给出正确答案）
[主观题]
From the passage, we can conclude that ______.A．conservation technology is a necessityB．nu
From the passage, we can conclude that ______.
A．conservation technology is a necessity
B．nuclear power is the energy source of the future
C．problems of energy conservation are not worldwide
D．all the industrial and domestic wastes can be reused and recycled
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