未知题型 In which sentence is the word "yield" used as a verb？ （）

未知题型 What does the adjective "mutual" imply when describing a feeling between two people？ （）

未知题型 Which of the following is the correct meaning of the phrase "launch oneself"？（）

未知题型 Which of the following belong（s） to the investigative method of geologists？（）

未知题型 Which of the following belong（s） to the application（s） of geology in our lives？ （）

单项选择题 The Kraffts used their footage of volcanic eruptions to advocate for better monitoring and early warning systems in volcanic regions. （）

未知题型 Which of the following best describes Xu Xiake’s approach to scientific inquiry？ （）

单项选择题 Xu Xiakes travel notes were compiled into a work titled "Travels of Xu Xiake，" which is considered the first geographical masterpiece written in that form. （）

单项选择题 Zheng He’s fleet consisted of treasure ships that were over 100 meters long， making them the largest in the world at that time.（）

未知题型 What is the meaning of the noun “outbreak”？ （）