第 1 题 · 六级
The earthquake reached a magnitude of 7.2, which the scientists measured with their instruments.
核心词：magnitude ˈmæɡnɪtjuːd n. 震级，量级；重大
地震达到了7.2级，科学家们用仪器测得了这一数据。
一般过去时主谓宾 + 介词短语 + which 从句短语 a magnitude of短语 the magnitude of the problem
The earthquake reached a ___ of 7.2, which the scientists measured with their instruments.
第 2 题 · 六级
The image processing was done by the computer, which saved the staff hours of manual work.
核心词：processing ˈprəʊsesɪŋ n. 处理，加工
图像处理由计算机完成，为员工节省了大量手工劳动时间。
一般过去时被动语态 + which 从句 + save sb sth短语 data processing短语 image processing
The image ___ was done by the computer, which saved the staff hours of manual work.
第 3 题 · 六级
The instructional video explains each step clearly, which the new students watch before their first lab.
核心词：instructional ɪnˈstrʌkʃənl adj. 教学的，指导的
教学视频清楚讲解每个步骤，新生在第一次实验课前观看。
一般现在时主谓宾 + 副词 + which 从句 + 时间状语短语 instructional material短语 an instructional video
The ___ video explains each step clearly, which the new students watch before their first lab.
