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Walking to Exercise the Brain
Do you think sitting and studying all the time will improve your grades?Think again.Getting some exer-
cise may help,too.
New research with old people suggests that taking regular walks helps them pay attention better than if
they didn't exercise.
Previous research had shown that mice learn,remember,and pay attention better after a few weeks of
working out on a running wheel.Mice that exercise have greater blood flow to the brain than those who don't.
Their brain cells also make more connections.
Neuroscientists(神经科学家)from the University of Illinois at Urbana Champaign wanted to find out if
the same thing is true for people.First,they measured the physical fitness of 41 adults,ages 58 to 77,after
each person walked 1 mile.Then,participants looked at arrows on a computer screen and had to use computer
keys to show which way one particular arrow was pointing.
Adults who were physically fit were faster at the arrow task,and their answers were just as accurate as
their less-fit peers,the researchers found.The fitter participants also had more blood flow to a part of their
brain responsible for paying attention and making decisions.
In a second study , 15 elderly people who completed a 6-month aerobic-training(有氧运动)course were
faster at attention tasks compared with 14 seniors who just did stretching and toning exercises(韵律操)for
the same amount of time.
So,even going for a walk every 2 or 3 days for just 10 to 45 minutes can help.That should be good news
for the elderly.
The effects of exercising on the brains of younger people haven't been studied yet. Still,it can't hurt to
take occasional breaks and go for a walk or run around with friends.Whatever you do,though,don't try to
read and walk at the same time.You could end up hurting yourself!
The first study on 41 elderly people found______________.
A:the less-fit participants did arrow tasks faster
B:the fitter participants did arrow tasks faster
C:the less-fit participants gave more accurate answers
D:the fitter participants gave more accurate answers

相关标签: 韵律操   有氧运动   科学家  

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二、考题解析【教学过程】(一)开始部分1.课堂常规:体委整队,报告人数,师生问好,教师简要介绍教学内容,检查服装,安排见习生。导入:今天我们首先看一段视频,大家看到里面讲的内容是什么?看完同学们告诉老师看到了谁?对,同学们看到的是我国在大阅兵时候的一段视频,视频中队伍的变化多种多样,大家看到后都很兴奋。那我们也一起来感受一下吧,今天我们就来学习队列队形中的分队走和合队走。(二)准备部分1.图形跑方法:全班同学成一路纵队,教师领跑,在跑的过程中变换不同的图形,如:三角形、圆形、正方形等,同时教师需要通过语言调动学生的积极性。组织教学:在课前画好的区域内进行。2.配乐韵律操开合运动、踢腿运动、侧展运动、体转运动、跳跃运动。组织教学:四列横队体操队形,教师边做示范,边提示动作要领,语言激励学生,及时表扬鼓励。要求:拍节准确,动作到位,节奏感强。(三)基本部分1.示范提问:大家观察示范小组在分队走和合队走的过程中变换形式是怎样的?学生回答:分队走由一队分成了两队,合队走由两队合成了一队。组织教学:四列横队,前两排蹲下。2.讲解一路纵队中场行进,听到分队走的口令第一名同学左转弯,第二名同学右转弯,后面同学依次跟进,成二路纵队沿左右边线绕场进行。即将相遇,听到合队走的口令时,左路同学左转弯,右路同学右转弯并依次插入左路学生之后,成一路纵队进行。3.练习(1)分队走练习。将学生一路纵队在中场依次排开,根据老师口令进行分队走练习。(教师喊“齐步—走”的时候学生开始向前行进,当教师喊到“分队—走”的时候,学生按要求分成两队进行分队走练习。)(2)合队走练习。将学生分为两组在场地两边排开,根据老师口令进行合队走练习。(教师下达“齐步—走”的时候学生开始向前行进,当走至面对面时,教师下达“合队—走”口令,学生按要求合成一队进行合队走练习。)4.优生展示:教师选出优生进行展示师生进行自评、互评。(四)结束部分1.放松活动—配乐放松操组织教学:四列横队体操队形。要求:放松活动,身心充分放松。2.课堂小结:教师总结学练情况,表扬先进,激励全体学生。3.宣布下课、师生再见、回收器材。【答辩题目解析】1.本节课的重难点是什么?2.如何对队形队列进行教学计划的设计?
形体训练是芭蕾、舞蹈、()的基本功训练。
A、徒手体操B、韵律操C、健美操D、体操

案例:

某学校在高二“音乐与舞蹈”选修模块开设了韵律操一每节课前,老师都会从网上下载根据《江南Style》《向前冲》《小苹果》等流行歌曲编配的广场舞录像;上课时,老师一边播放录像,一边要求学生对照录像上的动作学习。课堂上,气氛非常活跃,老师省心,学生开心。下课的时候学生们大汗淋漓,意犹未尽。有一天,老师对学生们说:“同学们,今天我们跳《青春修炼手册》!”同学们顿时欢呼雀跃起来,齐声叫好!安静下来后,有一位学过芭蕾的女同学举手对老师说:“老师,每天就这么跳好像没什么意思啊,到现在我也没搞懂什么是韵律操……”

问题:

(1)依据《普通高中音乐课程标准(实验)》基本理念,对上面的案例片段中存在的问题进行分析。

(2)如果你是音乐老师,针对案例中的问题,提出改进建议。

下列语句中,没有语病、句意明确的一项是A:11月18日,唐老鸭等迪斯尼明星和10名来自日本各地的嘉宾与米老鼠同一天生日参加了生日会,他们为米老鼠带来了一个高约2米的巨大的蛋糕。
B:随着“山寨”含义的不断延伸,许多网友将那些热播电视剧的剧情、人物和风格,并将其改头换面的“本土”电视剧,形象地称为“山寨剧”。
C:诸葛亮能掐会算、能谋善断,但我认为,他有一个致命的弱点,就是缺乏开发团队智商的意识不强。
D:为营造浓郁的文化健身氛围,突出学校“书香校园与文化健身协调发展”的特色,仙桃市在全市小学校园里推广普及“古诗韵律操”,来陶冶学生情操。
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