1.选择题- (共16题)
1.把一个重为l2N的物体放入水中,静止时有四分之一的体积露出水面,则物体受到的浮力是{#blank#}1{#/blank#} N,物体的体积是{#blank#}2{#/blank#} m3(g取10N/kg);若向水中加盐,则物体受到的浮力{#blank#}3{#/blank#}(选填“变大”“变小”或“不变”).
8.近期,我国进行了“探空火箭”实验,该火箭搭载了多款新型探测仪器,这些仪器在太空中的质量{#blank#}1{#/blank#}(选填“变大”“变小”或“不变”),分离前相对于火箭是{#blank#}2{#/blank#}(选填“运动”或“静止”)的.
9.近期,我国进行了“探空火箭”实验,该火箭搭载了多款新型探测仪器,这些仪器在太空中的质量{#blank#}1{#/blank#}(选填“变大”“变小”或“不变”),分离前相对于火箭是{#blank#}2{#/blank#}(选填“运动”或“静止”)的.
10.近期,我国进行了“探空火箭”实验,该火箭搭载了多款新型探测仪器,这些仪器在太空中的质量{#blank#}1{#/blank#}(选填“变大”“变小”或“不变”),分离前相对于火箭是{#blank#}2{#/blank#}(选填“运动”或“静止”)的.
11.近期,我国进行了“探空火箭”实验,该火箭搭载了多款新型探测仪器,这些仪器在太空中的质量{#blank#}1{#/blank#}(选填“变大”“变小”或“不变”),分离前相对于火箭是{#blank#}2{#/blank#}(选填“运动”或“静止”)的.
12.今年2月15日,俄罗斯境内发生了陨石坠落爆炸事件,造成部分建筑损坏和人员伤亡,陨石坠落大气层后,温度急剧升高,是{#blank#}1{#/blank#}能转化为内能导致的,这是通过{#blank#}2{#/blank#}方式改变陨石内能的.
13.如图,用大小为1.2N的拉力将重为2N的物体竖直向上匀速提升10cm,则对物体做的有用功为{#blank#}1{#/blank#} J,动滑轮的机械效率为{#blank#}2{#/blank#}.
14.蓝光DVD光盘使用的材料是一种新型氧化钛,在室温下,该材料受不同强度光的照射,能在金属态和半导体态之间来回转变,从而具有储存数据的功能,这是它的{#blank#}1{#/blank#}发生了改变(填物质属性名称);若将这种材料制成元件与灯泡串联后接入电路,闭合开关,灯泡将会{#blank#}2{#/blank#}(选填“一直发光”“一直不发光”或“时亮时暗”).
15.蓝光DVD光盘使用的材料是一种新型氧化钛,在室温下,该材料受不同强度光的照射,能在金属态和半导体态之间来回转变,从而具有储存数据的功能,这是它的{#blank#}1{#/blank#}发生了改变(填物质属性名称);若将这种材料制成元件与灯泡串联后接入电路,闭合开关,灯泡将会{#blank#}2{#/blank#}(选填“一直发光”“一直不发光”或“时亮时暗”).
16.用照相机拍一朵盛开的荷花,荷花到镜头的距离要大于{#blank#}1{#/blank#},荷花在底片上成倒立{#blank#}2{#/blank#}的实像;若要把荷花的像拍得更大一些,则应使照相机镜头{#blank#}3{#/blank#}(选填“远离”或“靠近”)荷花.
2.单项选择- (共14题)
17.
Do you know that Yuan Longping is known as ______ father of hybrid rice (杂交水稻)?
A./ | B.the | C.a | D.an |
18.
He said that we should protect the ancient civilization from _______.
A.losing | B.lost | C.being lost | D.to lose |
20.
He was asked to _______ his class making a speech at the school opening ceremony.
A.represent | B.stand for | C.express | D.show |
21.
Jack told us that his class ________ sixty-four students.
A.made up | B.made of | C.consisted of | D.consisted in |
22.
He suggested us ________ here for Mr. Li, our math teacher.
A.should wait | B.waited | C.to wait | D.waiting |
24.
She told us what she bought yesterday ________ a few apples and some clothing.
A.is | B.are | C.was | D.were |
25.
The way of life he was used to _______ when he came to study in America.
A.change | B.changed | C.changing | D.being changed |
26.
He said that he didn’t know ______ to deal with the matter, so I left.
A.what | B.when | C.where | D.how |
27.
The head teacher said ________ broke the rules would be punished.
A.the student | B.whoever | C.the one | D.who |
28.
Mary said that once ________ him you would like him and make friends with him.
A.meet | B.to meet | C.meeting | D.met |
29.
It was ______ 7:30 that he _________ home yesterday, so his parents were very worried.
A.until; not got | B.not until; got | C.until; didn’t get | D.didn’t until; got |
试卷分析
-
【1】题量占比
选择题:(16道)
单项选择:(14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:4
7星难题:0
8星难题:10
9星难题:0