1.选择题- (共11题)
2.小李身高1.6m,站在平面镜前1.5m处,则他离自己在镜中的像{#blank#}1{#/blank#}m,当他慢慢远离平面镜时,像的大小将{#blank#}2{#/blank#}(选填“变大”、“变小”或“不变”).
3.小李身高1.6m,站在平面镜前1.5m处,则他离自己在镜中的像{#blank#}1{#/blank#}m,当他慢慢远离平面镜时,像的大小将{#blank#}2{#/blank#}(选填“变大”、“变小”或“不变”).
4.如图所示,用力打击一摞棋子中间的一个,该棋子由静止开始沿水平方向飞出,这表明:{#blank#}1{#/blank#}.上面的棋子由于{#blank#}2{#/blank#}要保持原来的静止状态,同时,这些棋子因为受到{#blank#}3{#/blank#}的作用,又落到下面的棋子上.
5.质量为2.5t的小型载重汽车,额定功率为100kW,车上装有5t的砂石,已知汽车在平直公路上匀速行驶时所受阻力是汽车总重的0.2倍,汽车先以15m/s的速度在平直公路上匀速行驶到山坡底,消耗汽油2kg,然后又以额定功率行驶100s的时间,将砂石从坡底运送到50m高的坡顶施工现场(g=10N/kg),求:
6.质量为2.5t的小型载重汽车,额定功率为100kW,车上装有5t的砂石,已知汽车在平直公路上匀速行驶时所受阻力是汽车总重的0.2倍,汽车先以15m/s的速度在平直公路上匀速行驶到山坡底,消耗汽油2kg,然后又以额定功率行驶100s的时间,将砂石从坡底运送到50m高的坡顶施工现场(g=10N/kg),求:
8.如图所示,木块放在水平面上,用弹簧测力计沿水平方向拉木块使其做直线运动,两次拉动木块得到的s﹣t图象分别是图乙中的图线①②,两次对应的弹簧测力计示数分别为F1、F2,两次拉力的功率分别为P1、P2,则F1{#blank#}1{#/blank#}F2,P1{#blank#}2{#/blank#}P2(均选填“<”、“=”、或“>”)
10.如图所示,每个滑轮重30N,忽略绳子与滑轮的摩擦阻力.用这滑轮组将重300N的物体匀速提升10m,则在这过程中,拉绳的力F={#blank#}1{#/blank#}N,物体的机械能{#blank#}2{#/blank#}(填“增大”、“不变”或“减小”),滑轮组的机械效率为{#blank#}3{#/blank#}.
11.如图所示,每个滑轮重30N,忽略绳子与滑轮的摩擦阻力.用这滑轮组将重300N的物体匀速提升10m,则在这过程中,拉绳的力F={#blank#}1{#/blank#}N,物体的机械能{#blank#}2{#/blank#}(填“增大”、“不变”或“减小”),滑轮组的机械效率为{#blank#}3{#/blank#}.
2.单项选择- (共12题)
12.
In cities in China, ______ bus is ______ popular means of transportation.
A.a; the | B.a; / | C.the; a | D.the; the |
13.
It is reported that the bridge ______ last year has been damaged in a terrible flood.
A.having been completed | B.to be completed |
C.completing | D.completed |
14.
I can’t get my car _____ on cold mornings, so I have to try ______ the radiator with some hot water.
A.run; to fill | B.running; filling |
C.running; to fill | D.ran; filling |
15.
It’s so wet there that the trees are extremely tall, some ______ over 90 meters.
A.measuring | B.to measure |
C.measured | D.measure |
16.
With all the books she needed _____, she left the library with satisfaction.
A.having borrowed | B.borrowed |
C.borrowing | D.to be borrowed |
17.
Bob’s mother, in my opinion, is partly _____ for his academic failure.
A.to be blamed | B.to blame | C.blamed | D.blaming |
18.
I want my son __________ all sorts of people with different values and beliefs.
A.being exposed to | B.exposing to |
C.to be exposed to | D.expose to |
19.
They might just have a place ________ on the writing course— why don’t you give it a try?
A.leave | B.left | C.leaving | D.to leave |
20.
A fire broke out last night, ____ three children and two adults.
A.killed | B.killing | C.kill | D.to kill |
21.
Finally he realized that he had been transported into future of ______ was still his hometown.
A.where | B.which | C.what | D.that |
22.
He got the first place in the Oral English Contest, ____ was beyond his expectation.
A.that | B.it | C.what | D.which |
试卷分析
-
【1】题量占比
选择题:(11道)
单项选择:(12道)
-
【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:11
7星难题:0
8星难题:1
9星难题:0