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Hi, children! Running is good for our bodies. It can make us feel happy and help us sleep well. Do you often run in your free time? How fast can you run? The world's fastest man could run 100 metres in 9.58 seconds(秒). He keeps the record with an average speed(平均速度) of about 37.58 km per(每) hour. It's faster than most people ride a bike. Then what's the secret to running fast? Let's find out something together.
1.
More than 200 muscles work together to make us walk or run. Great runners usually have very strong calf muscles.

From now on, you can join a running club or take part in a race. Run with your friends four or five times a week. These can help you keep interested in running. Let's run together!
思维新题
任务一:根据文章内容,选择合适的小标题,将序号写在相应的横线上。考点 主旨大意
A. Join a running club!
B. Muscles are the key!
C. Run with your friends!
任务二:根据文章内容,判断下列句子的正(T)误(F)。
()2. Most of us can ride at the speed of 37.58 km/h.
()3. About 100 muscles work together to help us run.
()4. Great runners can usually jump high. 考点 推理判断
()5. We should run every day with our friends.

任务一:
1. B 【主旨大意】由文章中的“More than 200 muscles work together to make us walk or run. Great runners usually have very strong calf muscles.”可知,肌肉共同作用使我们走路或跑步,优秀的跑步者有非常强壮的小腿肌肉,因此小标题应为“肌肉是关键!”。
任务二:
2. F 【细节理解】由文章中的“He keeps the record with an average speed of about 37.58 km per hour. It's faster than most people ride a bike.”可知,37.58 km/h 的跑步速度比大多数人骑自行车快,因此大多数人骑自行车达不到这个速度。
3. F 【细节理解】由文章中的“More than 200 muscles work together to make us walk or run.”可知,帮助跑步的肌肉超过200块,而不是大约100块。
4. T 【推理判断】由文章中的“Great runners usually have very strong calf muscles.”、help us move quickly 和 help us jump high可知,优秀的跑步者通常拥有非常强壮的小腿肌肉,而小腿肌肉帮助我们快速移动和跳得高。由此可推知,优秀的跑步者通常既能跑得快,也能跳得高。
5. F 【细节理解】由文章中的“Run with your friends four or five times a week.”可知,我们应该每周和朋友们跑步四次或五次,而不是每天。

【分析】
先处理任务一：需给第一段选小标题，第一段核心围绕肌肉在跑步中的作用展开，需匹配对应选项；再处理任务二：判断正误题，需将每个小题的描述与原文对应句子对比，判断是否一致。
【解析】
任务一：1. 第一段关键句为“More than 200 muscles work together to make us walk or run. Great runners usually have very strong calf muscles.”，核心是肌肉对跑步的重要性，对应选项B“Muscles are the key!”；选项A、C是后文段落的内容，不符合第一段主旨。
任务二：
2. 原文提到“He keeps the record with an average speed of about 37.58 km per hour. It's faster than most people ride a bike.”，说明37.58km/h的跑步速度比大多数人骑车快，题干“大多数人能以37.58km/h的速度骑车”错误，故填F。
3. 原文明确“More than 200 muscles work together to make us walk or run.”，题干“约100块肌肉”错误，故填F。
4. 原文提到“Great runners usually have very strong calf muscles”，且插图说明小腿肌肉“help us jump high”，可推断优秀跑步者通常能跳得高，题干正确，故填T。
5. 原文是“Run with your friends four or five times a week.”，题干“每天和朋友跑步”错误，故填F。
【答案】
任务一：1. B；任务二：2.F；3.F；4.T；5.F
【知识点】
主旨大意题、细节理解题、推理判断题
【点评】
本题为英语阅读理解基础题型，考察学生对文章主旨、细节信息及推理判断的能力，需学生仔细定位原文对应内容，难度适中。
【难度系数】
0.6