1.选择题- (共8题)
如图,是网球运动员击球的瞬间。球拍和球的变化体现了力既可以使物体的{#blank#}1{#/blank#} 发生改变,又可以使物体的{#blank#}2{#/blank#}发生改变。
如图,是网球运动员击球的瞬间。球拍和球的变化体现了力既可以使物体的{#blank#}1{#/blank#} 发生改变,又可以使物体的{#blank#}2{#/blank#}发生改变。
如图所示,底面积和质量都相同的A、B两容器,装有等深、等质量的不同液体,放在水平桌面上,则液体对容器底部的压强pA{#blank#}1{#/blank#}pB,容器对桌面的压强pA′{#blank#}2{#/blank#}pB′(均选填“大于”、“等于”或“小于”)。
如图甲所示,放在水平地面上的物体,受到方向不变的水平拉力F的作用,F的大小与时间t的关系如图乙所示,对应的物体运动速度v与时间t的关系如图丙所示,分析图象可知,当t=1s时,物体受到的摩擦力为{#blank#}1{#/blank#} N,当t=3s时,物体受到的摩擦力为{#blank#}2{#/blank#} N
如图甲所示,放在水平地面上的物体,受到方向不变的水平拉力F的作用,F的大小与时间t的关系如图乙所示,对应的物体运动速度v与时间t的关系如图丙所示,分析图象可知,当t=1s时,物体受到的摩擦力为{#blank#}1{#/blank#} N,当t=3s时,物体受到的摩擦力为{#blank#}2{#/blank#} N
2.单项选择- (共12题)
A.who is he | B.who he is |
C.who is it | D.who it is |
A.As, which | B.What, that | C.It , that | D.It , which |
A.would have been | B.can be | C.has been | D.had been |
A.understand | B.understanding | C.to understand | D.understood |
A.to prepare; to do | B.preparing; doing | C.prepared; to do | D.to be prepared; doing |
A.astonished | B.astonishing | C.being astonished | D.having astonished |
— _______ to the sunlight for a long time.
A.Because it was exposed | B.After being exposed | C.Being exposed | D.Exposed |
A.tiring, bored | B.tired, bored | C.tired, boring | D.tiring, boring |
A.Every time | B.The first time | C.Now that | D.If only |
A.hadn’t agreed | B.didn’t agree | C.wouldn’t agree | D.not agree |
A.If I am possible | B.If it possible | C.If I possible | D.If possible |
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【1】题量占比
选择题:(8道)
单项选择:(12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:2
5星难题:0
6星难题:10
7星难题:0
8星难题:0
9星难题:0