问题补充：
It’s very easy to see why people have bad attitudes. A quick look at the news revealing _21 with crime, war and corruption (腐败) can easily bring us down. Is it possible to _22 a healthy, happy attitude when surrounded by these negative things?
Sure it is! It is possible to wake up each morning with a good mood and _23 the day. Having a positive _24not only allows us to enjoy life more but also _25 our health and relationships with others.
To lead a happy life, we need to have a positive attitude. We are responsible for our own _26; other people can’t make us happy. We need to decide to make ourselves happy. This is wonderful because we don’t have to wait around for someone else to do it for us.
We should surround ourselves with 27_ people. We are influenced by those people with whom we spend the most time. When we have positive friends, we become positive. Otherwise, we become _28.
We should also use positive_29. A. L. Kitselman once said, “‘I am…’ are powerful words; be careful when you use them.” We need to replace our negative self-talk with positive words. Don’t say “I hate getting up in the morning.” Instead, try to say “I am _30to see a new day.” Changing our self-talk will lead us to the changes in our behavior.
21. A. affairs B. questions C. troubles D. problems
22. A. change B. refuse C. keep D. invent
23. A. look forward to B. look down on C. look up to D. look back on
24. A. opinion B. attitude C. influence D. answer
25. A. damages B. improves C. affects D. weakens
26. A. satisfaction B. decision C. happiness D. development
27. A. positive B. friendly C. easy-going D. good-mannered
28. A. anxious B. nervous C. satisfied D. negative
29. A. writings B. pictures C. expressions D. signs
30. A. painful B. bored C. thankful D. surprised完形填空
答案：
(答案→)完形填空
解析：
21. D。考查语境的理解。从下文的描述知道，这里是说问题。Problem是强调生活中的问题，不时可以简单解决的；question“问题，疑问”，常指学习工作的问题，可以马上解决的。
22. C。根据上下文分析知道，在这里作者提出问题：当我们被消极的事物包围时，保持一个健康的，高兴的人生态度是可能的确吗？
23. A。考查动词词组意思辨析和语境的理解。每天我们带着好心情醒来，期盼着美好的一天。look forward to期望，期待,盼望；look down on轻视, 看不起；look up to尊敬,仰望；look back on回忆。
24. B。考查语境的理解。积极的生活态度有助于我们享受生活。
25. B。考查语境的理解。从上一句话知道，积极的生活态度还有助于我们改善和其他人的关系和增进友谊。
26. C。根据下文other people can’t make us happy.分析知道，这里是表示“我们对自己的幸福负责”。
27. A。考查语境的理解。从本段所描述的情景来看，表示我们应该为具有积极的生活态度的人所围绕。
28. D。考查语境的理解。由本句中的副词Otherwise知道表示的内容和上面的相反，所以选“消极的”。
29. C。考查名词词意辨析和语境的理解。从下文的确描述知道这里表示积极的表情。
30. C。根据上下文分析知道。从上下文可以看出此处是表示一种积极生活态度的语言，所以说“我感谢我又看到了新的一天”。
