题目

The school ___ a 20-classroom building which was put up last year lies near the town.  A. as B. where C. with D. in which     答案：C此题考查学生对句子结构的分析。此句主语是the school,谓语是lies。 The school后有两个定语，一是which was put up last year 的定语从句， 另外是a20-classroom building的名词短语，故不用连词，而用with的介词短语结构。 是双曲线上一点，、是双曲线的两个焦点，且，则的值为（    ） A.  33               B.33或1              C. 1                 D. 25或9