第 1 题 · 四级
The museum displays old gunpowder, which visitors find quite interesting.
核心词：gunpowder ˈɡʌnpaʊdə n. 火药
博物馆展出古老的火药，游客们觉得很有趣。
一般现在时主谓宾 + which 从句 + find sth adj短语 gunpowder短语 invent gunpowder
The museum displays old ___, which visitors find quite interesting.
第 2 题 · 四级
She sat immobile, facing the sea, which made her look like a statue.
核心词：immobile ɪˈməʊbaɪl adj. 不动的，固定的
她一动不动地坐着，面向大海，看起来像一座雕像。
一般过去时现在分词伴随状语 + which 从句 + make sb look like短语 sit immobile短语 remain immobile
She sat ___, facing the sea, which made her look like a statue.
第 3 题 · 四级
The teacher explained the equivalence of the two methods, which the students understood.
核心词：equivalence ɪˈkwɪvələns n. 等值，相等
老师解释两种方法的等效性，学生们听懂了。
一般过去时主谓宾 + 介词短语 + which 从句短语 the equivalence of短语 an equivalence relation
The teacher explained the ___ of the two methods, which the students understood.
