1.单选题- (共3题)

A.16 | B.18 | C.22 | D.24 |

A. A、B两点的线速度之比为vA∶vB= 1∶2
B. A、B两点的角速度之比为ωA∶ωB= 2∶1
C. A、B两点的加速度之比为aA∶aB= 1∶2
D. A、B两点的加速度之比为aA∶aB= 2∶1

A.绳子的拉力较大的那一端车厢里有人 |
B.先到达两车中点的车厢里没有人 |
C.先开始运动的车厢里没有人 |
D.不去称量质量无法确定哪个车厢有人 |
2.选择题- (共7题)
根据对话情景, 在横线上填入适当的单词补全对话。
A: Mary, what do you {#blank#}1{#/blank#} of your new school?
B: I like it very much. But there are too {#blank#}2{#/blank#} rules.
A: What are the rules?
B: First, girls can't have long hair.
A: What? That's really an {#blank#}3{#/blank#} rule.
B: Interesting? I think it's awful.
A: Do you have to cut your hair?
B: Yes, I do.
A: What {#blank#}4{#/blank#} rules does your school have?
B: We can't {#blank#}5{#/blank#} sunglasses. I can't stand (容忍)that. Sunglasses are my favorite.
A: That's a terrible rule.
根据对话情景, 在横线上填入适当的单词补全对话。
A: Mary, what do you {#blank#}1{#/blank#} of your new school?
B: I like it very much. But there are too {#blank#}2{#/blank#} rules.
A: What are the rules?
B: First, girls can't have long hair.
A: What? That's really an {#blank#}3{#/blank#} rule.
B: Interesting? I think it's awful.
A: Do you have to cut your hair?
B: Yes, I do.
A: What {#blank#}4{#/blank#} rules does your school have?
B: We can't {#blank#}5{#/blank#} sunglasses. I can't stand (容忍)that. Sunglasses are my favorite.
A: That's a terrible rule.
根据对话情景, 在横线上填入适当的单词补全对话。
A: Mary, what do you {#blank#}1{#/blank#} of your new school?
B: I like it very much. But there are too {#blank#}2{#/blank#} rules.
A: What are the rules?
B: First, girls can't have long hair.
A: What? That's really an {#blank#}3{#/blank#} rule.
B: Interesting? I think it's awful.
A: Do you have to cut your hair?
B: Yes, I do.
A: What {#blank#}4{#/blank#} rules does your school have?
B: We can't {#blank#}5{#/blank#} sunglasses. I can't stand (容忍)that. Sunglasses are my favorite.
A: That's a terrible rule.
3.多选题- (共2题)


A.斜面对B的弹力一定大于mg |
B.两球对斜面的压力大小均为![]() |
C.B球对A球的弹力大小为![]() |
D.挡板对B的弹力大小为![]() |
A.船可能沿曲线过河 |
B.因船速小于水流速,船不能到达对岸 |
C.船能垂直到达河对岸 |
D.船过河的最短时间是一定的 |
4.解答题- (共1题)




5.实验题- (共2题)
两个相同的小车并排放在光滑水平轨道上,小车前端系上细线,线的另一端跨过定滑轮各挂一个小盘,盘里分别放有不同质量的砝码.小车所受的水平拉力F的大小可以认为等于砝码(包括砝码盘)的重力大小.小车后端也系有细线,用一只夹子夹住两根细线,控制两辆小车同时开始运动和结束运动.

(1)利用这一装置,我们来研究质量相同的两辆小车在不同的恒定拉力作用下,它们的加速度是怎样的.由于两个小车初速度都是零,运动时间又相同,由公式 ,只要测出两小车 之比就等于它们的加速度a之比.实验结果是:当小车质量相同时,a正比于
A.![]() (2)利用同一装置,我们来研究两辆小车在相同的恒定拉力作用下,它们的加速度与质量是怎样的.在两个盘里放上相同数目的砝码,使两辆小车受到的拉力相同,而在一辆小车上加放砝码,以增大质量.重做试验,测出 和 .实验结果是:当拉力F相等时,a与质量m成反比。 (3)实验中用砝码(包括砝码盘)的重力G的大小作为小车所受拉力F的大小,这样做的前提条件是 (4))将夹子换为打点计时器,可以通过所打纸带计算出物体的加速度。某次实验所得图线如图所示。设图中直线的斜率为k,在纵轴上的截距为b,若牛顿定律成立,则小车受到的拉力为_________,小车的质量为________。 |
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【1】题量占比
单选题:(3道)
选择题:(7道)
多选题:(2道)
解答题:(1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:1
5星难题:0
6星难题:2
7星难题:0
8星难题:5
9星难题:0