整理历年托福词汇题，并附正确答案，本期题目为：inaccessible，看看你能答对吗?
The ocean bottom --- a region nearly 2. 5 times greater than the total land area of the Earth --- is a vast frontier that even today is largely unexplored and uncharted, until about a century ago, the deep-ocean floor was completelyinaccessible, hidden beneath waters averaging over 3,600 meters deep.
The word “inaccessible” is closest in meaning to which of following?
(A) unrecognizable
(B) unreachable
(C) unusable
(D) unsafe
正确答案： B
