下面是2014年3月21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。

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

　　Allison had only ------- knowledge of the recent legislation; although she had glanced at a summary, she had not ------- the details of the new law's many provisions.

　　(A) superficial . . examined

　　(B) subjective . . studied

　　(C) sketchy . . vacated

　　(D) questionable . . endorsed

　　(E) cursory . . opposed

　　The correct answer is A

　　Explanation

　　The sentence indicates that Allison had “glanced at a summary” but had not done something concerning the details of the law. If Allison had taken only a quick look at a summary of the legislation, she certainly would not have “examined,” or looked closely at, the details of the law. As a result, her knowledge of the legislation would be “superficial,” or shallow, rather than deep and thorough.

　　以上就是关于2014年3月21日的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。