1.单选题- (共11题)
A.物体运动的速度改变量很大,它的加速度一定很大 |
B.物体速度越大,其加速度越大 |
C.某时刻物体的速度为零,其加速度一定为零 |
D.加速度很大时,运动物体的速度可能很小 |


A.1.80 m/s | B.1.50 m/s | C.0.60 m/s | D.0.50 m/s |

A.Ff1≠0,Ff2=0,Ff3=0 |
B.Ff1≠0,Ff2≠0,Ff3=0 |
C.Ff1=0,Ff2≠0,Ff3≠0 |
D.Ff1≠0,Ff2≠0,Ff3≠0 |
A. F1和F2都增大
B. F1和F2都减小
C. F1增大,F2减小
D. F1减小,F2增大

A.球只受到重力的作用 |
B.球只受到一个沿运动方向的力的作用 |
C.球此时此刻不受到任何外力作用 |
D.球受到姚明给的一个力和重力的共同作用 |

A.有可能N处于拉伸状态而M处于压缩状态; |
B.有可能N处于压缩状态而M处于拉伸状态; |
C.有可能N处于不伸不缩状态而M处于压缩状态; |
D.有可能N处于拉伸状态而M处于不伸不缩状态。 |
A.同一次实验过程中,O点位置允许变动 |
B.实验中,弹簧测力计必须保持与木板平行,读数时视线要正对弹簧测力计的刻度 |
C.实验中,先将其中一个弹簧测力计沿某一方向拉到最大量程,然后只需调节另一个弹簧测力计拉力的大小和方向,把橡皮条另一端拉到O点 |
D.实验中,把橡皮条的另一端拉到O点时,两个弹簧测力计之间的夹角应取90°,以便于算出合力的大小 |

A.f1=0,f2≠0,f3≠0 | B.f1≠0,f2≠0,f3=0 |
C.f1≠0,f2=0,f3=0 | D.f1≠0,f2≠0,f3≠0 |
2.选择题- (共6题)
阅读理解
One day, a college student was taking a walk with a professor.As they went along, they saw lying in the path a pair of old shoes.They supposed the shoes belonged to a poor man who was employed in a field close by, and who had nearly finished his day's work.
The student turned to the professor, saying, “ Let us play the man a trick: we will hide his shoes, and hide ourselves behind those bushes, and wait to see his confusion when he cannot find them”.
“My young friend,” answered the professor, “we should never amuse ourselves at the expense of the poor.But you are rich, and may give yourself a much greater pleasure by tricking on the poor man.Put a coin into each shoe, and then we will hide ourselves and watch how the discovery affects him.”
The student did so, and they both placed themselves behind the bushes close by.The poor man soon finished his work, and came across the field to the path where he had left his coat and shoes.After he slipped his foot into one of his shoes, he felt something hard.He bent down to feel what it was, and found the coin.Astonishment and wonder were seen on his face.He fixed his eyes on the coin, turned it round, and looked at it again and again.He then looked around him on all sides, but no person was to be seen.He now put the money into his pocket, and continued to put on the other shoe; but his surprise was doubled on finding the other coin.His feelings overcame him.He fell upon his knees, looked up to heaven and cried a sincere thanksgiving, in which he spoke of his wife, sick and helpless, and his children without bread. He said the help would save them from dying.
The student stood there, deeply affected, and his eyes filled with tears.“Now,” said the professor, “are you not much better pleased than if you had played your intended trick?”
The youth replied, “You have taught me a lesson which I will never forget.”
阅读理解
One day, a college student was taking a walk with a professor.As they went along, they saw lying in the path a pair of old shoes.They supposed the shoes belonged to a poor man who was employed in a field close by, and who had nearly finished his day's work.
The student turned to the professor, saying, “ Let us play the man a trick: we will hide his shoes, and hide ourselves behind those bushes, and wait to see his confusion when he cannot find them”.
“My young friend,” answered the professor, “we should never amuse ourselves at the expense of the poor.But you are rich, and may give yourself a much greater pleasure by tricking on the poor man.Put a coin into each shoe, and then we will hide ourselves and watch how the discovery affects him.”
The student did so, and they both placed themselves behind the bushes close by.The poor man soon finished his work, and came across the field to the path where he had left his coat and shoes.After he slipped his foot into one of his shoes, he felt something hard.He bent down to feel what it was, and found the coin.Astonishment and wonder were seen on his face.He fixed his eyes on the coin, turned it round, and looked at it again and again.He then looked around him on all sides, but no person was to be seen.He now put the money into his pocket, and continued to put on the other shoe; but his surprise was doubled on finding the other coin.His feelings overcame him.He fell upon his knees, looked up to heaven and cried a sincere thanksgiving, in which he spoke of his wife, sick and helpless, and his children without bread. He said the help would save them from dying.
The student stood there, deeply affected, and his eyes filled with tears.“Now,” said the professor, “are you not much better pleased than if you had played your intended trick?”
The youth replied, “You have taught me a lesson which I will never forget.”
15,20,{#blank#}1{#/blank#}、{#blank#}2{#/blank#}、{#blank#}3{#/blank#}、{#blank#}4{#/blank#}
3,5,{#blank#}5{#/blank#}、9,{#blank#}6{#/blank#}、13,{#blank#}7{#/blank#}
2,5,{#blank#}8{#/blank#}、11,{#blank#}9{#/blank#}、{#blank#}10{#/blank#}、20
3.多选题- (共3题)
A.1m/s2,方向向北 |
B.1m/s2,方向向南 |
C.4m/s2,方向向北 |
D.4m/s2,方向向南 |
A.小李同学在800米决赛中取得了第一名,同学们纷纷说他跑的“快”,是指小李同学的平均速率大 |
B.小王同学在100米决赛中起跑很“快”,是指小王同学起跑时加速度大 |
C.小刘在100米决赛中取得了第一名,好“快”呀,是指小刘同学的平均速度大 |
D.在100米决赛中,小刘同学取得了第一名,小王同学取得了第二名。同学们说小刘同学比小王同学跑的“快”,是指任意时刻速度大 |
A.物体经过MN中点时的速度为2v |
B.物体在时间t的中间时刻的速度为2v |
C.物体经过任意时间t,速度的增量均为2v |
D.物体在后![]() ![]() ![]() |
4.解答题- (共4题)
(1)试验炸弹预定爆炸点的高度是多少?
(2)若试验失败,炸弹未爆炸,如果不采取措施,炸弹会在分离后多长时间落地?为了防止危险,在炸弹到达最高点10s后,以v0=400m/s竖直发射一枚炮弹拦截,拦截点的高度是多少?

5.实验题- (共2题)
【小题1】由图可以读出1、3、5三个计数点跟“0”点的距离为d1、d2、d3,请将测量值填入表中__________.(结果保留两位小数)

【小题2】小车打计数点“2”时的速度大小为________m/s,打计数点“4”时的速度大小为________m/s,小车的加速度大小是________ m/s2.

(1)将弹簧悬挂在铁架台上,将刻度尺固定在弹簧一侧,弹簧轴线和刻度尺都应在________方向(填“水平”或“竖直”)。
(2)弹簧自然悬挂,待弹簧______时,长度记为L0,弹簧下端挂上砝码盘时,长度记为Lx;在砝码盘中每次增加10 g砝码,弹簧长度依次记为L1至L6,数据如下表表:

表中有一个数值记录不规范,代表符号为_______。由表可知所用刻度尺的最小分度为______。
(3)如图是该同学根据表中数据作的图,纵轴是砝码的质量,横轴是弹簧长度与____________的差值(填“



(4)由图可知弹簧的劲度系数为_________N/m;通过图和表可知砝码盘的质量为_________g(结果保留两位有效数字,重力加速度取9.8 m/s2)。
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【1】题量占比
单选题:(11道)
选择题:(6道)
多选题:(3道)
解答题:(4道)
实验题:(2道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:9
7星难题:0
8星难题:7
9星难题:4