例题1:(丹东中考)Lots of scientists are studying robots today. Many robots don't always look like people ... However, modern robots are smart. Some can solve problems on their own.
Robots are more and more useful and important in our life ...
Robots are useful in our homes too ...
However, robots are not so clever as people ...
It's possible that we will have our own robots, and they will help us to do more things in the future.
4. What is the text mainly about?
A.It's about what robots will be like in the future.
B.It's about what robots can do in many years.
C.It's about how robots are used in our life.
D.It's about how scientists invented robots.

解析:C 文章主旨题。根据“Robots are more and more useful and important in our life”可知本文主要介绍了机器人在生活中的作用和重要性。

训练1： (陕西中考)Chemistry is usually thought to be more difficult than other subjects, at least for the beginners. There are some reasons for this idea. For one thing, chemistry has a very specialized vocabulary(专业词汇). At first, studying chemistry is like learning a new language. Also, some concepts(概念) of chemistry are hard to understand. However, with hard work and careful study, you can finish this subject successfully—and even enjoy it. Here are some suggestions(建议) to help you develop good study habits and better understand the topics in the book:
4. The passage is mainly about .

A.differences between chemistry and physics
B.the importance of chemistry and physics
C.why chemistry is hard for beginners
D.how students study chemistry

D 【解析】文章主旨题。根据“Here are some suggestions to help you develop good study habits and better understand the topics in the book”可知本文主要介绍了帮助学生养成良好的学习习惯，更好地理解化学的建议。A、B项无中生有；C项以偏概全。

【分析】这是一道英语阅读理解主旨大意题，解题思路为：先通读全文梳理结构，文章前半部分阐述化学对初学者难的原因，后半部分通过转折词“However”引出核心内容——给出帮助学生养成良好化学学习习惯、理解化学主题的建议，需抓住文章核心，排除干扰项。
【解析】本题为英语阅读理解主旨题。根据文中关键句“Here are some suggestions to help you develop good study habits and better understand the topics in the book”可知，本文主要围绕“如何学习化学”展开。A选项“化学与物理的差异”、B选项“化学与物理的重要性”均未提及，属于无中生有；C选项“化学对初学者难的原因”仅为文章前半部分的铺垫内容，属于以偏概全，因此正确答案为D。
【答案】D
【知识点】英语阅读理解主旨大意题
【点评】本题考查英语阅读理解的主旨大意，需准确区分文章的铺垫内容与核心内容，避免被次要信息干扰，难度适中。
【难度系数】0.6