下面是2013年7月31日的SAT官方每日一题的内容，是关于阅读方面的，题型是完成句子。SAT官方每日一题是collegeboard每天都会发布的题目，关于SAT考试的三个部分的各个题型。下面我们就一起来看一下这个SAT官方每日一题吧。

　　SAT官方每日一题之阅读---完成句子：

　　Critical Reading > Sentence Completions

　　Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.

　　A ------- person, he found the training almost unbearably monotonous, but he resolved to check his ------- and perform the basic tasks required.

　　(A) bitter . . submissiveness

　　(B) reclusive . . reserve

　　(C) dynamic . . restlessness

　　(D) mercurial . . constancy

　　(E) vivacious . . ambition

　　The correct answer is C

　　Explanation

　　It is logically consistent to say that someone who is “dynamic,” or energetic, would feel restless, or agitated, when faced with a boring task.

　　下面是一道和SAT官方每日一题相似的题目，供大家练习：

　　The actor’s ------- decline in popularity was as striking and unexpected as his ------- rise to prominence had been.

　　(A) sudden . . meteoric

　　(B) gradual . . equivocal

　　(C) precipitous . . obscure

　　(D) dazzling . . secret

　　(E) inevitable . . unpredictable

　　The correct answer is A

　　Explanation

　　Choice (A) is correct. We know that “striking and unexpected” describes both the actor’s rise and his decline; “sudden” fits with this description, as does “meteoric,” which means suddenly or temporarily brilliant.

　　以上就是关于2013年7月31日SAT官方每日一题中阅读完成句子的详细内容，包括了题目和选项以及答案，后面附有一道相关的练习题。大家可以在备考SAT的过程中关注SAT每日一题的内容，这样就可以更好有不间断的练习，也就能在日积月累的过程中得到提高。