Complete the following passage with words and phrases chosen from Text A. The initial letter of each is given.（根据首字母提示，补全单词使文章完整）
Optimism and pessimism are powerful forces, and each of us must choose which we want, so as to shape our outlook and our expectations. From which p_________ (1) do we want to view life? Will we look up in hope or down in d (2)? An optimistic attitude is not a luxury; it’s a n (3). The way you look at life will determine how you feel, p__________ (4), and how well you will get along with others. C (5), negative thoughts, attitudes, and expectations feed on themselves; they become a self-f (6) prophecy . Pessimism creates a sad and hopeless place w (7) no one wants to live. When the world is seen as a hopeful, p (8) place, people are more likely to achieve . O___________(9) doesn’t need to be naive. You can be an optimist and still r__________ (10) that problems exist and that some of them are not d (11) with easily. Yet optimism makes a difference in the a (12) of the problem solver! Optimism draws our attention away from negativism and c (13) it into positive, constructive thinking. When you’re an optimist, you’re more c (14) with problem-solving than with useless fault-finding. To t (15) a big problem like poverty, one needs both optimism and p (16).
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