第 1 题 · 六级
The chapter explains the theory and the examples therein, which the diligent students have studied carefully.
核心词：therein ˌðeərˈɪn adv. 在其中，在那里
这一章解释了理论及其中的例子，勤奋的学生们仔细研究过。
现在完成时主谓宾 + 并列 + 副词 + which 从句（现在完成 + 副词）短语 the text therein短语 the details therein
The chapter explains the theory and the examples ___, which the diligent students have studied carefully.
第 2 题 · 六级
The disease may recur after a few months, which the careful doctor has warned the patient about.
核心词：recur rɪˈkɜː v. 再发生，复发
这种病几个月后可能复发，细心的医生已提醒过病人。
现在完成时情态动词 + 主谓 + 时间状语 + which 从句（现在完成 + warn about）短语 recur after短语 a recurring problem
The disease may ___ after a few months, which the careful doctor has warned the patient about.
第 3 题 · 六级
In the past, many people were persecuted for their beliefs, which the wise historians have recorded honestly.
核心词：persecute ˈpɜːsɪkjuːt v. 迫害
在过去，许多人因信仰而受到迫害，睿智的历史学家如实记载。
现在完成时时间状语 + 被动语态 + 介词短语 + which 从句（现在完成 + 副词）短语 persecute sb for短语 be persecuted for
In the past, many people were ___ for their beliefs, which the wise historians have recorded honestly.
