Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
The man is very optimistic and always adopts a positive（ ）on life. (look, out)
【正确答案】：OUTLOOK
【题目解析】：
本题考查常见单词的复合名词。
由定冠词a和形容词positive可知，空缺处应填名词，look和out可组成复合名词outlook意为“观点、前景”，符合题意。
句意：这个人非常乐观，总是保持着积极的人生观。