未知题型 What are some challenges of doing good deeds in the digital age？ （）

单项选择题 In Chinese culture， refusing compliments is a sign of arrogance. （）

单项选择题 Performing good deeds can have a positive impact on the mental health of the giver. （）

单项选择题 The song A Human Touch was composed for a documentary about the AIDS crisis in the 1980s. （）

未知题型 What is a synonym for the verb "execute" as used in the context of performing an action？ （）

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？ （）