题目内容：

阅读下面短文，掌握其大意，然后从41~60各小题所给的四个选项A、B、C和D中，选出一个最佳答案。

One effective way of destroying happiness is to look at something and focus on even the smallest fault. It’s like looking at the tiled(铺瓦) ceiling and concentrating on the space where one tile is     .

Once I heard a bald man said, “whenever I enter a room     I see is hair.” Once you’ve     what your missing tile is, explore whether acquiring it will     make you happy. Then do one of the three things: Get it, replace it with a different     , or forget about it and     the tiles in your life that are not missing.

We all know people who have a relatively     life, yet are essentially unhappy while people who have suffered a great deal but     remain happy.

The first     is gratitude. All happy people are     . Ungrateful people cannot be happy. We tend to think that being unhappy leads people to     , but it’s truer to say that complaining leads people to becoming unhappy.

The second secret is     that happiness is a byproduct of something else. The most obvious________are those pursuits that give our lives purpose—anything     studying insects to playing baseball. The more passions we have, the more happiness we are     to experience.

Finally, the belief that something permanent goes beyond us and that our ________ has some larger meaning can help us to feel happier. We ________ a spiritual faith, or a philosophy; it should     this truth: if you choose to find the ________ in every situation, you will be blessed, and if you choose to find the awful, you will be cursed. As with happiness itself, this is   ________  your decision to make.

1.A. different        B. missing        C. short         D. broken

2.A. nothing          B. none          C. all           D. anything

3.A. determined       B. predicted      C. assumed     D. imagined

4.A. completely       B. naturally      C. hopefully     D. really

5.A. tile             B. brick          C. ceiling       D. house

6.A. look on        B. focus on       C. count on      D. rely on

7.A. peaceful        B. difficult      C. easy        D. ordinary

8.A. certainly        B. merely         C. hardly        D. generally

9.A. secret         B. factor        C. rule          D. key

10.A. wealthy       B. grateful      C. proud       D. generous

11.A. upset         B. quarrel       C. complain      D. depress

12.A. admitting       B. assuming       C. proving       D. realizing

13.A. sources         B. results       C. answers       D. goals

14.A. among          B. from           C. through       D. for

15.A. probable      B. possible      C. likely        D. capable

16.A. value         B. destination    C. survival      D. existence

17.A. need           B. lack           C. demand       D. expect

18.A. involve       B. include       C. absorb        D. mean

19.A. worst           B. best           C. positive      D. negative

20.A. absolutely      B. totally       C. exactly      D. largely