基本信息
1. Which of the following statements is TRUE according to the passage?
A. You can increase your happiness levels by attending the classes at the Happiness Institute.
B. Most of us are happier than our parents or grandparents since we earn more.
C. Earning US$ 100 more than your wife’s sister’s husband if you want to be happy.
D. Both Bill Gates and Kerry Packer are examples of those who are extremely rich but obviously unhappy.