《2025年资源库高中英语人教版》

What does "maintenance" underlined in paragraph 3 refer to?
A. Personnel safety.
B. Assistance from drones.
C. Inspection and repair.
D. Construction of infrastructure.

答案： C
解析：词义猜测题。根据第三段中的“spend approximately 20 billion euros a year on maintenance... to inspect and repair the rail infrastructure”可知，maintenance指的是检查和维修铁路基础设施。结合选项可知，C项符合文意。

What does the underlined word "that" in paragraph 2 refer to?
A. Developing a serious mental disease.
B. Taking a guided tour in Central Asia.
C. Working as a volunteer in Uzbekistan.
D. Writing an article about the Aral Sea.

答案： D
解析：词义猜测题。根据第一段中的he returned to Uzbekistan to write an article about the disappearance of the Aral Sea可知，比斯尔的初衷是写一篇关于咸海消失的文章，而后文提到他最终写了一本书，其中涉及咸海消失这一主题，由此可推断that指代的是写一篇关于咸海的文章。