The Atlantic News reported that researchers asked nearly 400 US citizens aged 18 to 78　6　 they thought their lives were meaningful and happy. These people were asked about their 　7　 toward meaning, happiness and many other aspects of life including stress levels, spending patterns and family life.

　　The researchers found that a meaningful life and a happy life do have something　8　, but they are 　9　different-living a happy life is connected with being a "taker", 　10　 living a meaningful life is connected with a "giver".

　　Happiness, the researchers found, usually　11　 getting what we want, which is why the pursuit of happiness often leads to 　12　 behavior. 　13　 have needs and desires and thus can feel happy too. What makes humans 　14　 is not the pursuit of happiness, but rather the pursuit of meaning.

　　We often derive meaning from helping others or making a　15　 for some "greater good". And sacrifice often comes at the expense of happiness. That's because people who do meaningful things usually have higher levels of 　16　 in their lives than happy people. For example, 　17　 in poor, rural schools might be meaningful, but it might also be difficult and draining.

　　Experiencing hardship and negative events, the study found, reduces your happiness but increases your　18　 that you're living a meaningful life. No one knows this better than Viktor Frankl, an Austrian-Jewish writer who

　19　 the horrors of a Nazi concentration camp. "If there is meaning in life 　20　," he once wrote, "then there must be meaning in suffering".

1.A.connected B.separated C.varied D.divided

2.A.but B.or C.thus D.so

3.A.Fortunately B.Occasionally C.Importantly D.Sadly

4.A.aside from B.far from C.along with D.together with

5.A.quitting B.kicking C.abandoning D.picking

6.A.whether B.how C.what D.when

7.A.tips B.tricks C.attitudes D.opinions

8.A.in use B.in store C.in common D.in order

9.A.necessarily B.needlessly C.potentially D.essentially