5 In order to have a clean ocean, governments should impose a(n) _________and strict ban on the dumping of
radioactive waste at sea.
(A)inefficient
(B)irregular
(C)palpable
(D)permanent
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統計: A(2), B(5), C(6), D(5), E(0) #1571143
統計: A(2), B(5), C(6), D(5), E(0) #1571143