C. chose two or three questions for the students

D. requested her students to finish their usual questions

4. The author failed to get the questions he had expected because _______.

A. the class didn't begin as usual

B. several students didn't come to school

C. he didn't try hard to make his estimate

D. Mrs. Totten didn't start from the back of the class

5. Which of the following can be the best title for the passage?

A. An Unforgettable Teacher

B. A Future Mathematician

C. An Effective Approach

D. A Valuable Lesson

【考点】考察文化教育类阅读

【文章大意】本文在本文中叙述了自己在小时候总是认为不必要的事情不需要做，所以我会根据老师提问的规律来算着老师会提问自己的问题。但是一次数学课上老师提问的让我知道了很多事情都是我们必须做的，因为我们无法预料到会发生什么样的事情。

1. 【答案】D

【试题解析】推理题。根据本句In the mid-1950s, I was a somewhat bored early-adolescent male student who believed that doing any more than necessary was wasted effort.可知我是一个不太爱学习的男学生，认为超过必要的事情都是浪费我的时间和精力。所以我不愿意去做一些我自己认为不必要的事情。故D正确。

2. 【答案】C

【试题解析】推理题。根据文章第三段2,3行Mrs. Totten usually walked up and down the rows of desks requesting answers from student after student in the order the questions had appeared on our homework sheets.可知Mrs. Totten通常都是在班级里的过道里走来走去，让学生来回答家庭作业，得出答案。

3. 【答案】A

【试题解析】推理题。根据文章3,4段She would start either at the front or the back of the classroom and walk toward the other end.和Since I was seated near the middle of about 35 students, it was easy to figure out which questions I might have to answer.可知老师经常从前面走到后面，