2 . 阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
The local government of Zibo issued two open letters to all citizens. The government expressed 1 (it) gratitude for the citizens’ warmth and hospitality toward visitors coming to enjoy the city’s signature barbecue, 2 has recently become a hit across the country.
Since early March, Zibo’s local barbecue 3 (cause) a sensation online. But how did Zibo rise to fame? From July 2022 to February2023, Zibo organized many trips to the city for university students. Despite reaching peak visitation numbers, there was no sense of panic. Instead, several supportive 4 (policy) were promptly introduced, such as establishing a “Golden Stove Award”, forming a barbecue association, creating a map of Zibo’s barbecue restaurants, 5 launching 21 dedicated tourist routes that go beyond just the barbecue.
Zibo’s sudden boom in popularity also resulted 6 the post-pandemic tourism revival China has experienced. The city aims to restore its tourist industry and ensure 7 (sustain) growth. 8 (achieve) this goal, it has created 9 welcoming environment with convenient services for your people, particularly university students. The city has also invited students from distinguished universities to visit Zibo for free, 10 (signal) its eagerness to attract talented young individuals.
