1.选择题- (共17题)
1.【加试题】如图所示是一个水箱恒温自动控制系统模型,其RT为正温度系数的热敏电阻,主要接收水温信息(安装时它是浸在水中),VT1、VT2和R是信号处理电路(控制器),J是继电器,它的开关是电热棒的电源开关,RP用来设定温控点。根据水箱恒温自动控制系统的工作过程,下列说法错误的是( )
5.如图所示这款“智能水龙头”融合了多项高新科技,它配有面部识别技术,可以自动识别出用户的脸,从而将水温调节到该用户最常用的温度和水流强度。其内置的LED灯还可以根据温度的不同变换色彩,从而为使用者提供更加直观的感受。下列对该控制系统的分析中正确的是( )
8.物联网是新一代信息技术的重要组成部分,如图所示的家电智能控制系统,将电视机、热水器等家电接入网络,通过在手机中安装的软件进行远程遥控,实现远程开关的功能。用户在下班途中就能实现空调等家电的提前开启,不仅提高了家电控制效率,也增强了系统功能。请根据上述说明,完成以下任务:
9.【加试题】如图为监控汽车安全带使用情况的报警电路,S为汽车启动开关,汽车启动时S闭合,RT为安全带使用情况检测传感器,驾驶员系好安全带时RT阻值变得很大,驾驶员未系好安全带时RT阻值很小。要求当驾驶员启动汽车但未系安全带时蜂鸣器报警,则在图中虚线框内应接入的元件是( )
15.如图所示是我国自主开发的暗物质探测器,该探测器对环境要求非常苛刻,对操作人员的要求也较高。该设备体积不大,但造价高。在2500米的地下实验室投入使用,有一定的检测效果。以下关于探测器的说法中较合理的是( )
16.如图所示是一款卷轴式太阳能移动电源,它看上去和普通移动电源没有太大区别,柱状造型,通过USB口输出。需要的时候,握住背面的拉杆,就能把太阳能电池像卷轴一样拉出来,从而获得最大的光照面积,提升收集效率。下面针对该设计的说法恰当的是( )
17.张民同学发现结冰的路上有人滑倒,于是用木板制作了如图所示的警示牌。现在需要用3mm厚,30mm宽,长度足够的条钢制作一个警示牌支架(辅助材料不限)。
设计要求如下:
A.安装支架后的警示牌能稳定地摆放在地面上,警示牌的总高度不低于500mm
B.安装支架后的警示牌能放入内部空间为500mm×400mm×30mm的盒中
请根据上述设计要求和警示牌的尺寸,完成以下任务:
2.单项选择- (共24题)
18.
I’ll go and see you whenever _______.
A. you are convenient B. it will be convenient to you
C. at your convenience D. it is convenient to you
A. you are convenient B. it will be convenient to you
C. at your convenience D. it is convenient to you
19.
Being popular with children, these toys ______ well and _____ in two days.
A.sell; sell out | B.are sold; are sold out |
C.are sold; will be sold out | D.sell; will be sold out |
20.
Those young men were ____ by the police with causing a disturbance in the neighborhood.
A.blamed | B.charged | C.accused | D.scolded |
21.
On Christmas Eve, we put up some balloons to _______ the festival atmosphere.
A.make for | B.add to | C.add up | D.join in |
22.
— Linda, can you give me some tips on doing this project?
— Sorry, but I’m not the person to ______ how the job should be done.
— Sorry, but I’m not the person to ______ how the job should be done.
A.determine | B.persuade | C.recommend | D.influence |
23.
Scientists suggested parents _______ children do the housework to make money.
A.made | B.make | C.to make | D.had made |
24.
The fog was so heavy this morning that drivers could hardly _______ the things even ten meters away from them.
A.make out | B.turn out | C.find out | D.figure out |
25.
His computer, which cost him a sum of money several weeks ago, is out of order and wants _______, though it looks very new.
A.to be repairing | B.repaired | C.repairing | D.to repair |
26.
— How about the suggestion Prof. Smith put forward at the meeting last Friday?
— The committee discussed it for hours without a decision _______.
— The committee discussed it for hours without a decision _______.
A.taking | B.to take | C.being taken | D.taken |
27.
The poor man, ______, ran out of the dark cave.
A.trembling and frightened | B.trembled and frightening |
C.trembled and frightened | D.trembling and frightening |
28.
The retired worker likes getting up early. The air in the morning is good ______.
A.being breathed | B.breathing | C.to be breathed | D.to breathe |
29.
— He thinks that girls are smarter than boys when it comes to learning English.
— But two years ago he thought_______.
— But two years ago he thought_______.
A.so | B.otherwise | C.opposite | D.different |
30.
Be ______ — you can’t expect me to finish all this work in so little time.
A.confident | B.reasonable | C.creative | D.grateful |
31.
_______ the fact that his original experiments had failed, Pro. White stuck to his research.
A.In spite of | B.Because of | C.As to | D.In views of |
32.
Don’t only give me a simple answer. Explain it _______ possible.
A.whatever | B.however | C.whoever | D.whenever |
33.
— I don’t remember having ever seen John since last week. Has he gone somewhere?
— Not really. He ______ his newly-bought apartment.
— Not really. He ______ his newly-bought apartment.
A.has decorated | B.decorated |
C.has been decorating | D.was decorating |
34.
— Will James attend the party?
— He has just arrived, but I didn’t know he ______ until yesterday.
— He has just arrived, but I didn’t know he ______ until yesterday.
A.is coming | B.had come | C.was coming | D.came |
35.
He devoted himself to action rather than talk, so his dream ______ in the end.
A.was become a reality | B.was come true |
C.realized | D.was realized |
36.
I enjoyed the part of the film ______ the boy was playing with model soldiers and suddenly they all came alive and started running across the table.
A.where | B.when | C.which | D.whom |
37.
We went to forbidden City last month, ______, not surprisingly, was crowded with visitors.
A.that | B.where | C.which | D.when |
38.
They must have finished the work by the end of last month, ______?
A.hadn’t they | B.mustn’t they | C.haven’t they | D.didn’t they |
39.
Better go to see your sick colleague right now, ______ you?
A.won’t | B.didn’t | C.don’t | D.hadn’t |
试卷分析
-
【1】题量占比
选择题:(17道)
单项选择:(24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:22
7星难题:0
8星难题:2
9星难题:0