小学生可以从3年级开始学习《新概念英语》。

《新概念英语》开始就是实用日常对话，没有更基础的准备过程(例如字母、较简单的句子等)，所以需要一定英语基础才能学习。3年级的学生已经在学校学了两年英语，对英语已经不陌生，而且心智和学习能力也具备了，就可以开始学习《新概念英语》了。

The volunteering spirit has spread among the Chinese people in recent years, especially among young people.

Volunteering is of tremendous benefits to both those in need and society. Take the Wenchuan Earthquake as an example. Hundreds of thousands of volunteers play an active role in Wenchuan quake-hit areas. And they contribute daily necessaries, offer medical help and psychological help to the disaster relief work.

Besides, volunteering would be beneficial to the volunteers themselves~ Getting involved in volunteering, volunteers will be exposed to a new environment, and they can learn how to work well in a team, how to improve their interpersonal skills and organizational skills, all of which are critical for their professional growth.

As a college student, I sincerely hope that everyone would join the volunteering work. It is not only good to our society, but also a chance for us to grow and to learn.

①找共同点

比如说有一道题的选项有四个：

A.study B.to study C.learning D.to read

可以看出，其中的study有两个;其中的不定式也有两个。所以两个显著特点集于一身的to study的选择可能性就十分的大。

② 找矛盾点(适用于单选)

比如一道题问：下列关于密度的说法中，错误的是：

其中，有两个这样的选项：

B.质量相同，体积大的物体密度小。

D.质量相同，体积大的物体密度大。

这就可以看出，其中一定有一个是错误的。有很多的题中，都会有矛盾的地方。只要找出矛盾，再蒙的几率就大多了。

③培养“蒙感”

所谓“蒙感”，就是蒙题的感觉。遇到很大可能不会做的题时，就要看蒙题的感觉了。所有考过试的人都知道，选择题中选择B、C选项的占绝大多数。所以遇到不会的题，就往B、C上靠，几率会大一点。