It should be noted that many people feel their life is both happy and meaningful. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q R: R

Most books on happiness today assert that happiness is beneficial to health. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q R: R

Evidence from research shows that it takes meaning for people to thrive. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q R: R

Agriculture proves very difficult to quantify because of the constantly changing conditions involved. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q R: R

Experiments were carried out to determine our body's genetic expression of feelings of happiness and meaning. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q R: R

Working-class parents teach their children to be obedient and show respect to adults. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q

In theory, free competition is supposed to reduce the margin of profits to the minimum. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q

Contrary to what researchers expected, happiness may not benefit the human body. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q

The automated assessment technology is sometimes used to double check the work of human graders. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q

According to a researcher, a part of human nature is to watch out for and contribute to each other. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O P: P Q: Q