閱讀下面短文，根據所給語境，按要求完成下列各題。
Failure is what often happens. It is everywhere in our life. Students may fail in exams, scientists may fail in their research work, and players may fail in competitions. (A)
Although failure happens to everyone, but different people’s attitudes(態度) towards failure are different.Some people don’t think that their failure is an important thing at all. So they pay no attention to it. As a result, they will have the (B)
failure later. Some people think they themselves are fools and lose their hearts in everything after they get failure. Then they(C)
their time and energy on useless things. At last, they may really be fools as they have thought.
（D）Other people are quite different from these two kinds of people mentioned above. Instead of being hopeless and lost, they draw a lesson from every failure and become more experienced.
(E) they, after, will ,hard, in, work, be , the, successful , end. So we should draw a lesson from every failure and become more experienced.
【小題1】 (A)處句中有一處錯誤，請找出并改正。（可用文字敘述）
【小題2】在( B )、(C )處的橫線上分別填上一個單詞（B）
（C）
【小題3】將(D)處句子譯成漢語：
。
【小題4】 將(E)處的單詞連成句子：
【小題5】請從下面的選項中給短文選個標題，將答案標號填在此橫線上：
| A．Draw a lesson from every failure | B．The attitudes towards failure |
| C．Failure is everywhere in our life | D．Failure is very important |
的過程中，小王和小李的化簡結果不一樣：
=
=
．
=
．
，求
的值．（結果保留根號）