第 1 题 · 高考
The tide comes in and goes out twice a day, which is a natural rule of the sea.
核心词：tide taɪd n. 潮汐
潮水每天涨落两次，这是大海的自然规律。
一般现在时which 非限制性定语从句短语 the tide短语 at high tide
The ___ comes in and goes out twice a day, which is a natural rule of the sea.
第 2 题 · 高考
The artificial lake was built for water sports, which attract many visitors.
核心词：artificial ˌɑːtɪˈfɪʃl adj. 人造的，人工的
这个人造湖是为水上运动而建的，吸引了众多游客。
被动语态 + which 定语从句短语 artificial intelligence短语 an artificial lake
The ___ lake was built for water sports, which attract many visitors.
第 3 题 · 高考
Everyone was quiet in the courtroom, when the judge announced the result.
核心词：courtroom ˈkɔːtruːm n. 法庭
法官宣布结果时，法庭里鸦雀无声。
一般过去时when 时间状语从句短语 in the courtroom短语 a courtroom
Everyone was quiet in the ___, when the judge announced the result.
