第 1 题 · 六级
The birds breed in northern latitudes, where the summers are short but bright.
核心词：latitude ˈlætɪtjuːd n. 纬度
这些鸟在北纬地区繁殖，那里的夏天短暂而明亮。
一般现在时主谓 + 介词短语 + where 关系副词从句短语 northern latitude短语 latitude and longitude
The birds breed in northern ___, where the summers are short but bright.
第 2 题 · 六级
Her jealousy of her sister grew stronger, which their mother noticed but said nothing.
核心词：jealousy ˈdʒeləsi n. 嫉妒，妒忌
她对姐姐的嫉妒越来越强烈，母亲注意到了但没说什么。
一般过去时主谓 + 比较级 + which 从句（并列谓语）短语 jealousy of短语 out of jealousy
Her ___ of her sister grew stronger, which their mother noticed but said nothing.
第 3 题 · 六级
She was woken by a sharp rap on the door, which frightened her in the dark room.
核心词：rap ræp n. 轻敲声；v. 敲击
她被急促的敲门声惊醒，黑暗的房间里她被吓到了。
一般过去时被动语态 + 介词短语 + which 从句短语 a rap on the door短语 rap music
She was woken by a sharp ___ on the door, which frightened her in the dark room.
