上战场要热身，不然可能就会对实力的发挥造成不当的影响，新GRE数学也不例外，如果想打赢GRE考试这场仗，我们在参加GRE数学考试的时候也要做足热身训练，下面小编就为你带来了一道热身题，一起看看吧!
　　Passage 4
　　A person who is drawing up a will has exactly five potential heirs-S, T, U, V, and W. The estate will distribute exactly seven lots of land, which are numbered 1 through 7. All seven lots will be distributed, subject to the following restrictions:
　　No lot is to be shared, and no heir can inherit more than three lots.
　　Whoever inherits lot 2 cannot inherit any other lot.
　　No heir can inherit both lot 3 and lot 4.en.Examw.CoM
　　If S inherits one or more lots, then U cannot inherit any.
　　If S inherits lot 2, then T must inherit lot 4.
　　W must inherit lot 6 but cannot inherit lot 3.
　　1. If S inherits lot 2 ,who must inherit lot 3?
　　(A) S (B) T (C) U (D) V (E) W
　　2. If S inherits lot 2 and three heirs inherit two lots each, no one can inherit both lots
　　(A) 1 and 3 (B) 1 and 6 (C) 1 and 7
　　(D) 4 and 5 (E) 6 and 7
　　3. If U and V inherit no lots, which of the following must inherit three lots?
　　(A) S only (B) T only (C) W only
　　(D) Both S and T (E) Both S and W