单项选择题
Questions 15～18
For what purpose was the vessel-like seismoscope invented（）
A. To predict an earthquake. B. To prevent an earthquake. C. To reduce the damage by an earthquake. D. To report the occurrence of an earthquake.
单项选择题 According to the talk, how would parents view their children’s adolescence（）
单项选择题 What has the man been doing recently（）
单项选择题 What does the woman think of her parents（）
