第 1 题 · 高考
A centimetre is a small unit of length, which students learn in class.
核心词：centimetre ˈsentɪmiːtə n. 厘米
厘米是很小的长度单位，学生在课上学到。
一般现在时be + 名词 + which 定语从句短语 a centimetre短语 ten centimetres
A ___ is a small unit of length, which students learn in class.
第 2 题 · 高考
Christchurch is a port city in New Zealand, which was rebuilt after the quake.
核心词：christchurch ˈkraɪsttʃɜːtʃ n. 基督城（地名）
基督城是新西兰港口城市，震后重建。
被动语态 + which 定语从句短语 the city of Christchurch短语 rebuild after a quake
___ is a port city in New Zealand, which was rebuilt after the quake.
第 3 题 · 高考
The CIA gathers information abroad, which the government uses for policy.
核心词：cia ˌsiː aɪ ˈeɪ n. 中央情报局
中情局在国外收集情报，政府用于制定政策。
一般现在时gather + which 定语从句短语 the CIA短语 gather information
The ___ gathers information abroad, which the government uses for policy.
