第 1 题 · 六级
The body has a physiological response to stress, which the doctors have studied for decades.
核心词：physiological ˌfɪziəˈlɒdʒɪkl adj. 生理的
身体对压力有生理反应，医生们已研究数十年。
现在完成时主谓宾 + 介词短语 + which 从句（现在完成）短语 a physiological response短语 physiological functions
The body has a ___ response to stress, which the doctors have studied for decades.
第 2 题 · 六级
The two sisters bear a striking resemblance, which the old photo clearly shows.
核心词：resemblance rɪˈzembləns n. 相似
这对姐妹长得惊人地相似，老照片清楚地显示了这一点。
一般现在时主谓宾 + 定语 + which 从句 + 副词短语 a striking resemblance短语 bear a resemblance
The two sisters bear a striking ___, which the old photo clearly shows.
第 3 题 · 六级
The two cars collided on the wet road, which the police are still investigating.
核心词：collide kəˈlaɪd v. 碰撞，冲突
两辆车在湿滑的路上相撞，警方仍在调查。
现在进行时主谓 + 介词短语 + which 从句（现在进行）短语 collide with短语 collide head-on
The two cars ___ on the wet road, which the police are still investigating.
