1.(Along) the curve of islands known as the Florida Keys (lies) a reef of living coral , (the only one) of( a kind) in the continental United states.( No error)- I7 l( Q% b ]& J! a
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2.the research study reveals startling proof of a constant changing seafloor that compromises the major part of the underwater landscape. No error / n% G- i0 b6 [这道题选B,为什么?我感觉没错呀?怎么改呢?5 ^: K3 E N4 q) u+ K( P
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