单项选择题
Questions 15～18
What is the function of the pendulum inside the instrument（）
A. To support the bronze ball inside the vessel. B. To respond to light tremors of the earth. C. To open the mouth of the frog sculpture. D. To attach the bars to the dragon heads outside.
单项选择题 Which of the following is NOT a stress-related phenomenon for teenagers（）
单项选择题 Which of the following is TRUE about the woman（）
单项选择题 What does the man think of the woman’s opening remark Question（）
