1.选择题- (共12题)
4.篮球运动员飞身灌篮的过程中,以篮筐为参照物,运动员是{#blank#}1{#/blank#}(选填“运动”或“静止”)的.运动员起跳后能继续上升是由于{#blank#}2{#/blank#}的缘故.运动员在上升过程中,速度{#blank#}3{#/blank#}(选填“变大”“变小”或“不变”).
5.海洋钻井平台水面下的支撑立柱经常受到洋流的冲击.为增强平台的稳定性,我国“南海石油981”钻井平台采用了世界先进的动力定位系统:在立柱上安装可以按需要改变朝向的螺旋桨,螺旋桨高速排水可以保持立柱的平衡.螺旋桨排水的方向应该是( )
6.海洋钻井平台水面下的支撑立柱经常受到洋流的冲击.为增强平台的稳定性,我国“南海石油981”钻井平台采用了世界先进的动力定位系统:在立柱上安装可以按需要改变朝向的螺旋桨,螺旋桨高速排水可以保持立柱的平衡.螺旋桨排水的方向应该是( )
7.海洋钻井平台水面下的支撑立柱经常受到洋流的冲击.为增强平台的稳定性,我国“南海石油981”钻井平台采用了世界先进的动力定位系统:在立柱上安装可以按需要改变朝向的螺旋桨,螺旋桨高速排水可以保持立柱的平衡.螺旋桨排水的方向应该是( )
8.科学家设想把一种多酚乙烯聚合物涂料刷到屋顶上,在阳光照射下涂料正面温度高背面温度低,利用温度差就可以发电.这种发电方式是将{#blank#}1{#/blank#}能转化为{#blank#}2{#/blank#}能,再转化为电能.
9.如图是探究平面镜成像特点的实验,当作平面镜的玻璃板应和底面白纸{#blank#}1{#/blank#},透过玻璃板观察,让棋子B和棋子A的像A′重合,此时B到玻璃板的距离和A到玻璃板的距离{#blank#}2{#/blank#};如果在玻璃板背面放一块挡光板,则在A′和B中仅能看见{#blank#}3{#/blank#}.
10.如图是探究平面镜成像特点的实验,当作平面镜的玻璃板应和底面白纸{#blank#}1{#/blank#},透过玻璃板观察,让棋子B和棋子A的像A′重合,此时B到玻璃板的距离和A到玻璃板的距离{#blank#}2{#/blank#};如果在玻璃板背面放一块挡光板,则在A′和B中仅能看见{#blank#}3{#/blank#}.
11.按压桌面会使桌面发生微小的形变.如图所示,如果在桌面上架一支激光笔,激光照射到远处墙上的光点就会发生较大的偏移,从而反映出桌面的形变.下列测量工具中设计思想与上述实验相同的是( )
12.如图所示,对着瓶口吹气能发出声音.吹气时,瓶口外空气流速变大,压强变{#blank#}1{#/blank#},促使瓶内气体向外流动,使瓶内气体压强小于瓶外的压强,空气又向内流动.这样空气在瓶口不停地{#blank#}2{#/blank#},就发出了声音.空气进出瓶口越快,发出声音的音调越{#blank#}3{#/blank#}.
2.单项选择- (共11题)
13.
At first ___ , the bag seems made of real leather, but actually it is just an imitation.
A.sight | B.look | C.appearance | D.view |
14.
Doctors are often in ____ dilemma over whether or not to tell their patients ___ truth about their condition.
A.a ; a | B.a ; the | C./ ; a | D./ ; the |
15.
--- Thank you for keeping me ___ of everything that’s happening.
--- Don’t mention it .
--- Don’t mention it .
A.inform | B.informed | C.informing | D.to inform |
16.
___ in the fascinating book , he did not notice a thief enter his room.
A.To absorb | B.Absorbing | C.Absorbed | D.To be absorbed |
17.
We can hardly believe what she says because she is ___changing her mind.
A.regularly | B.eventually | C.firmly | D.constantly |
18.
It’s known ___ us that a mouse has a good nose ___cheese.
A.for ; for | B.to ; for | C.by ; to | D.by ; at |
19.
-- Have you got everything ready for the party , Kate ?
--- Yes, the decorations are all ___ now.
--- Yes, the decorations are all ___ now.
A.in place | B.in detail | C.in reality | D.in total |
20.
--- Do you really think I can achieve my goal ?
--- Absolutely .___ you give up halfway .
--- Absolutely .___ you give up halfway .
A.If | B.Unless | C.Since | D.because |
21.
The milk must be preserved at this temperature until it ____.
A.will process | B.is processed | C.has processed | D.had been processed |
22.
Your car should be ready by 12 o’clock, but ___, I’ll let you know.
A.if possible | B.if ever | C.if anything | D.if not |
试卷分析
-
【1】题量占比
选择题:(12道)
单项选择:(11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:5
7星难题:0
8星难题:6
9星难题:0