阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者括号中词语的正确形式填空。
Alfred Alder, a famous psychiatrist, had 【小题1】 interesting experience. When he was a small boy he got off to a poor start in arithmetic(算术). His teacher got the idea that he had no ability in arithmetic, and told his parents 【小题2】 she thought in order that they would not expect too much of him. In this way, they too developed the idea, “ Isn’t 【小题3】 too bad that Alfred can’t do arithmetic?” He accepted their mistaken estimate of his ability, 【小题4】 (feel) that it was useless to try, and that he was very poor at arithmetic, just as they expected.
One day he became very angry at the teacher and the other students because they laughed when he said he saw how to do a problem which none of the other students had been able to solve.
Adler succeeded 【小题5】 solving the problem. This gave him 【小题6】 (confident). He rejected the idea that he could not do arithmetic and was 【小题7】 (determine) to show them that he could. His anger and his new found faith stimulated him to go at arithmetic problems with a new spirit. He now worked with interest, determination, and purpose, and he soon became 【小题8】 (extraordinary) good at arithmetic. He not only proved that he can do arithmetic, but he learned early in life from his own experience , 【小题9】 a person goes at a job 【小题10】 determination and purpose, he may astonish himself as well as others by his ability.an
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(答案→)an
解析：试题分析：本文叙述了著名的精神病专家Alfred Alder的一次经历。他从小被他的老师认为他是学不好的人，可有一次，他解决了其他的人都解决不了的问题，从此，他自己有了自信，再加上他的决心，使他认识到：人只要有信心和决心就能成功。
【小题1】考查冠词。根据形容词interesting是以元音发音开头，故用不定冠词an，泛指“一位”。
【小题2】考查关系词。句中what引导宾语从句，在从句中作宾语。
【小题3】考查代词。这里是it作形式主语，真正的主语为that Alfred can’t do arithmetic。.
【小题4】考查分词作状语。这里用现在分词feeling作结果状语。
【小题5】考查介词。这里考查固定短语succeed in doing成功做某事。
【小题6】考查名词。这里用confident的名词形式，作宾语补足语。
【小题7】考查形容词词。这里考查短语be determined to决心。
【小题8】考查副词。这里修饰形容词good，故用副词修饰。
【小题9】考查连词。这里用连词if“如果”，表示假设。
【小题10】考查介词。这里用介词with，表示“带着”。