五、阅读理解
We all need to exercise. Doctors say it is good for us. It makes our hearts and bodies strong. It also gives us more energy. And we will feel better about ourselves. It's best to exercise twice a week. Twenty minutes each time is enough.
There are many ways to exercise. We can walk, run, play sports, or swim. Many people go to special places to exercise. They are called "fitness centres". There is a lot of equipment. Some people buy equipment from stores to use at home. But it is usually a little expensive.
Exercising can be fun. Friends can exercise together at a fitness centre. Or, they can play sports together. How do you exercise?
()1. How often should we exercise?
A. Every day. B. Twenty minutes a week.
C. Twice a week. D. Once a week.
()2. What can we do at fitness centres?
A. We can buy equipment there.
B. We can do many kinds of exercise there.
C. We can see a doctor there.
D. We can make money there.
()3. What can we learn about exercising from the passage?
A. Exercising is expensive.
B. Exercise is good for our hearts.
C. Doctors never exercise.
D. We can only exercise with friends.

1.C 2.B 3.B

【分析】
这是一篇细节类英语阅读理解题，解题时优先明确每道题干的核心提问点，划出关键词后回到原文对应段落定位相关语句，将选项和原文内容逐一比对，排除和原文表述不符的干扰项，即可选出正确答案。比如第一题问锻炼频率，就去原文找描述锻炼频次的句子，第二题问健身中心的功能，就定位到介绍健身中心的段落，第三题要选出符合原文的表述，逐个核对选项的正误即可。
【解析】
1. 定位原文第一段内容"It's best to exercise twice a week."，明确说明一周锻炼两次是最佳的，对应选项C；选项A的每天锻炼、选项D的一周一次原文均未提及，选项B的一周20分钟和原文“每次锻炼20分钟就足够”表述不符，因此选C。
2. 定位原文第二段，健身中心是人们专门去锻炼的场所，内部配备大量锻炼设备，可以开展多种锻炼活动，对应选项B；选项A提到的买设备是从商店购买而非健身中心，选项C看医生、选项D赚钱原文完全没有相关表述，因此选B。
3. 定位原文第一段"It makes our hearts and bodies strong."，说明锻炼可以让我们的心脏和身体更强壮，也就是锻炼对心脏有益，对应选项B；选项A表述的“锻炼很贵”和原文“在家购买锻炼设备比较贵”不符，选项C“医生从不锻炼”无中生有，选项D“我们只能和朋友一起锻炼”和原文“可以和朋友一起锻炼”表述矛盾，因此选B。
【答案】
1.C 2.B 3.B
【知识点】
阅读理解细节定位，短文信息匹配
【点评】
本题属于低难度的基础阅读题，所有正确答案都可以在原文中直接找到对应依据，不需要复杂推理，主要考察学生快速从文本中检索关键信息的能力，做题时注意不要混淆零散信息，避开偷换概念的干扰项即可轻松得分。
【难度系数】
0.9