Ⅰ 单项填空
A: Igothere three days ago. B: Whathave you been doingthese days?
A: Is there anything wrong with your radio? B: Yes. I bought it here yesterday, but itdoesn’t work.
It’s too hot. You must have all the windowsopen.
Is this the puter which you wishto have repaired?
The patient was warnednot to eatoily food after the operation.
Keep your mouthshutand your eyesopen.
A: Tom, why didn’t you go to the meeting yesterday? B: Iwas going to, but my car broke down.
A: How are you getting along with your work? B: All goes well asplanned.
A: George phoned while you were out. B: Ok.I’llphone him back.
He haslainunder the tree with a hatcoveringhis face.
Ⅱ 句型转换
A: He doesn’t have to come on time. B:There’s no needfor him to come on time.
A: Both the army and students were called in to clear away fallen leaves. B: The armyas well asstudentswerecalled in to clear away fallen leaves.
A: We were expecting that you would return much earlier. B: We wereexpecting you backmuch earlier.
A: The building was damaged in the earthquake and they must rebuild it at once. B: Theyhadthe buildingdamagedin the earthquake and must have itrebuiltat once.
A: A hurricane is rising. B: A hurricaneis on its way.
乒乓球步法训练2
一、基本功训练
单腿跳、蛙跳、蹲走:根据个人身体素质适度调整运动量,一般适合在早晨锻炼时进行,在草地、较干燥的泥地或球台前进行都可以。
侧身单足跳:这有助于增强同侧脚用力的意识和力量。练习时,单脚站立,向左跳时左脚在前,向右跳时右脚在前,用脚掌的内侧用力。
二、单拍节奏训练
这种训练可以简单训练步法,也可以训练稍微复杂的并步、跳步等步法。单拍即是将向某一方向移动的一种步法做一遍后,再反方向将同一种步法做一遍。
以并步为例:先向左移动一次,然后向右移动一次,如此反复。向左移动完成时,进行正手攻球动作;向右移动完成时,进行反手打法或者推挡、搓球,目的在于训练和培养还原意识和应用意识。
三、二拍节奏训练
这种训练经常用来训练稍微复杂的并步、跳步等步法。
二拍指的是将向同一方向移动的同一种步法做两遍后,再换方向做两遍。
以并步为例:先向左移动两次,再向右移动两次。这也是乒乓球步法训练中常见的练习方式。
四、变化的并步训练
在稍大的练习场地上,如球场、球台前或空地,确定好大致的向左或向右移动范围。
当异侧脚并拢时,同侧脚向斜或斜前或斜后跨出,然后再收回跨出的脚,保持两脚一定距离,不要让它们碰撞。
反复进行前述动作,前后左右反复练习,并且进行徒手挥拍动作的练习。
五、业余特*的训练
脚跟微踮的训练:这是最耗时但也是最容易的练习。日常行走时尽量踮起脚尖,跑步时也要如此,甚至站立时也要踮起脚尖!
同侧脚用力的训练:同侧脚用力非常重要,不仅是学习并步的基础,对跳步也是至关重要的。
随时进行的前进方向的前脚掌用力训练:平时站立时,左脚内侧用力,使身体向左移动或倾斜,体会用力的部位和效果。注意,左脚是重点。
在训练和模拟比赛中练习:积极跟进球,养成同侧脚迅速迎球上位的习惯。勤于身体迎球时的重心转移,培养通过转腰加快或调节击球节奏和运动步伐的习惯。结合乒乓球相应步法,多模拟跑动并反复练习。
长期坚持推侧扑乒乓球步伐*和跑步锻炼。
散打的基本功-步法训练3
1、进步
下面我们对进步进行学习,其作用主要是用于进行格挡、挡抓以及主攻等。进步动作要领:在预备势的基础上,身体向前进步。左脚先动时,左脚向前迈一步,后脚随即紧跟一步;右脚先动时,右脚向左脚跟后进一步,左脚随即向前迈一步。身体向前进步时,上体保持预备势不变,两眼平视前方。动作要求:进步要快,身体要协调。
2、退步
退步主要用于防守和躲闪等。退步动作要领:在预备势的基础上,身体向后退步。左脚先动时,左脚向后退一步,后脚随即后退一步;右脚先动时,右脚向后退一步,左脚随即紧跟后退一步。身体向后退步时,上体保持预备势不变,两眼平视前方。动作要求:退步要快,身体要协调。
3、躲闪步
躲闪步主要用于防守和躲闪等。躲闪步动作要领:在预备势的基础上,身体向左(右)斜上一步。左躲闪步时,左脚向左前方斜移一步,后脚随即紧跟一步,同时身体向左侧转;右闪躲步时,左脚向右前方斜移一步,后脚随即紧跟一步,同时身体向右侧转。动作要求:上步快、躲闪快、侧转快。