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The use of nuclear power has already spread all over the world.However,scientists still have not agreed on what should be done with the large amounts of waste material that keep increasing every year.
Most waste materials are (1) of simply by placing them somewhere.But nuclear waste must be (2) with extremely great care.It gives off dangerous radiation and it will continue to be (3) for hundreds,thousands,even millions of years.
How should we get rid of such waste material in such a way that it will not harm the (4) ?Where can we possibly (5) distribute it?One idea is to put this radioactive waste inside a thick container,which is then dropped to the bottom of the ocean.But some scientists believe that this way of (6) nuclear waste could kill fish and other living things in the oceans or (7) with their growth.Another way to (8) nuclear waste is to send it into space,to the sun,where it would be burned.Other scientists suggest that this polluting material should be (9) thousands of meters under the earth's surface.Such underground areas must be (10) of possible earthquakes.Advances are being made.But it may still be many years before this problem could be finally settled.
A.free E.deadly I.remove M.environment
B.interfere F.safely J.dealt N.disturb
C.residence G.buried K.disposed O.unfavorable
D.handled H.scattering L.discarding
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