I fell and broke my leg when I_______riding my bike.
A、/
B、is
C、was
答案是：C
It is a building _______workers make many mobilephones.
A、there
B、which
C、where
答案是：C
_______I like most is_______I can have a party after work.
A、That,that
B、What, that
C、What, what
答案是：B
Not only I but also James and Lucy_______afraid of having too much pressure.
A、is
B、are
C、be
答案是：B
She has worked here_______many years.
A、since
B、for
C、during
答案是：B
I _______ that singer closely as I was sitting in the front of the bar.
A、saw
B、watched
C、observed
答案是：C
_______these people know how to solve this problem.
A、Most of
B、Some
C、Most
答案是：A
_______every week for several hours is good to keep healthy.
A、Exercise
B、To exercise
C、Should exercise
答案是：B
Next month, I_______ plan to have a holiday.
A、am
B、/
C、have
答案是：B
I’m ill. I_______working very hard.
A、have
B、have been
C、had
答案是：B
I can finish the assignment_______myself.
A、by
B、on
C、with
答案是：A
Young people in China now_______to travel often.
A、drive
B、drives
C、drove
答案是：A
Lily forgot_______a letter to her sister, so she wrote to her just now.
A、to have written
B、to write
C、having wrote
答案是：B
Paper_______by Chinese for thousands of years now.
A、has made
B、has been made
C、was made
答案是：B
He is very good_______designing and drawing.
A、at
B、in
C、on
答案是：A
I prefer reading books_______watching TV.
A、than
B、on
C、to
答案是：C
I have given_______finishing this project.
A、over
B、down
C、up
答案是：C
If he was healthy, he_______do more things useful.
A、/
B、will
C、would
答案是：C
That’s all prepared. It _______done more.
A、shouldn’t
B、mustn’t be
C、don.t need to be
答案是：C
_______Tom did to the guests is quite right.
A、That
B、What
C、How
答案是：B
I don’t like to stay at home on Sundays. _______.
A、So do I
B、Neither do I
C、So am I
答案是：B
You like playing the guitar,_______you ?
A、don’t
B、didn’t
C、do
答案是：A
It’s very safe_______here.
A、living
B、live
C、lived
答案是：A
The diningroom needs_______.
A、decorating
B、to decorate
C、decorate
答案是：A
I have my house cleaned once a week.
A、正确
B、错误
答案是：正确
The cinema is built last year.
A、正确
B、错误
答案是：错误
A: May I know who’s calling? B: Yes, you can. I.m Xiaoyan.
A、正确
B、错误
答案是：错误
I started looking after these plants whose host went out to have a holiday.
A、正确
B、错误
答案是：正确
A: This is Frank speaking. I would like to speak with Mr. Wang, please. B: I’m afraid you’ve dialed the wrong number.
A
答案是：正确
You look_______. What _______ you _______?
A、tire, did,do
B、tiring, have,done
C、tired, have,been doing
答案是：C
He _______ in the office the whole afternoon.
A、has been working
B、is working
C、has worked
答案是：A
She _______ him not to smoke and he finally agreed.
A、told
B、asked
C、persuaded
答案是：C
A new museum _______in the countryside at the moment.
A、has been built
B、is built
C、is being built
答案是：C
_______ I enjoy most is _______ I can come and listen to the concert.
A、That,that
B、What,that
C、What,what
答案是：B
_______ in this exam, you will let your parents down.
A、When fail
B、Failing
C、If you fail
答案是：C
_______ all your time on this problem is not suitable.
A、Spending
B、To spend
C、Spend
答案是：A
My boss is a 40-year-old man, _______ wife is from Australia.
A、that
B、which
C、whose
答案是：C
If you_______have a rest, you will have a bad cough.
A、won’t
B、wouldn’t
C、don’t
答案是：C
He’s not Greek. He _______ from London.
A、comes
B、is coming
C、came
答案是：A
He has_______four interesting books.
A、wrote
B、written
C、been writing
答案是：B
If the stars nearby hit together, they _______ the earth.
A、is influencing
B、influences
C、will influence
答案是：C
I have lived in these crowded district_______2000.
A、for
B、since
C、at
答案是：B
The lecture _______ already _______when we got to the school hall.
A、has,started
B、was,started
C、had,started
答案是：C
If I can get a pay raise, I _______ buy a house.
A、/
B、will
C、would
答案是：B
If a person _______ succeed, he must try his best.
A、will
B、is to
C、is going to
答案是：B
I_______ a good opera on computer at this moment last night.
A、was watching
B、watch
C、watched
答案是：A
When we were having a party, the host _______ the bad news.
A、was telling
B、was told
C、could tell
答案是：B
My friend_______when I came in.
A、drank
B、drink
C、was drinking
答案是：C
I hurt my knee, so I stopped _______ football last month.
A、playing
B、play
C、to play
答案是：A
How stupid I have been! Why _______ I do that before?
A、don’t
B、didn’t
C、not
答案是：B
_______ sports, I like drawing and playing the piano.
A、In addition
B、As well
C、Apart from
答案是：C
Before she left to have a holiday, she_______ hard.
A、worked
B、has worked
C、had worked
答案是：C
I have spent a lot of time_______repairing the machine.
A、at
B、/
C、on
答案是：B
I have_______ finished the homework.
A、yet
B、already
C、still
答案是：B
I am working_______ an article about people’ future.
A、over
B、out
C、on
答案是：C
I hear that your company always take _______ children for survival experience during the vacation.
A、on
B、over
C、afte
答案是：B
I am so tired that I spend one day _______.
A、to sleep
B、sleeping
C、sleeps
答案是：B
Before I got to the cinema, the film _______.
A、had finished
B、has finished
C、was finishing
答案是：A
The car accident happened_______a spring morning.
A、at
B、on
C、in
答案是：C
Tommy enjoys to study opera.
A、正确
B、错误
答案是：错误
A: Is Mary very sick? B: I’m afraid so.
A、正确
B、错误
答案是：正确
A: May I ask a question after class, Madam? B: Sure.
A、正确
B、错误
答案是：正确
I hope the key I lost will turn up.
A、正确
B、错误
答案是：正确
A: May I have your order now? B: No, I don’t have a choice of meat.
A、正确
B、错误
答案是：错误
I can’t put up _______him because he is always making mistakes.
A、of
B、on
C、with
答案是：C
It was 12 o’clock _______we got home from the party yesterday.
A、when
B、what
C、which
答案是：A
I _______ apply for the job, but I haven.t decided yet.
A、am going to
B、might
C、hope to
答案是：B
We will fly to Guilin, _______ we plan to stay for one week.
A、that
B、where
C、which
答案是：B
Linda_______her husband a wallet before her husband bought her a watch.
A、has bought
B、bought
C、had bought
答案是：C
She prefers_______ together to working all by herself.
A、working
B、to work
C、to working
答案是：A
He _______ working before 6 o’clock.
A、usually has finished
B、has usually finished
C、usually finished
答案是：C
I get_______ my colleagues very well.
A、on
B、on with
C、over
答案是：B
_______ by bus is slow and difficult in some districts.
A、Travel
B、Journey
C、Trip
答案是：A
The guard has been asked to_______the door, but so far the door is still closed.
A、open
B、opening
C、be opened
答案是：A
You are better at carrying out decision than _______plans.
A、to make
B、make
C、making
答案是：C
The employment rate has gone up, _______many graduates think it hard to find appropriate jobs.
A、so
B、and
C、but
答案是：C
In order to communicate with foreigners, we_______foreign language.
A、need to study
B、need studying
C、need study
答案是：A
_______I hated most was the difficulties in the work in my early career, but now I like them.
A、That
B、What
C、/
答案是：B
I’m afraid he _______find the key to this problem.
A、could never
B、never could
C、couldn’t never
答案是：A
Mr Green _______a good teacher.
A、has always been
B、has been always
C、always has been
答案是：A
I set a special account at the bank because _______ pay my tuition by myself.
A、I’d like to
B、I’m planning to
C、I mig
答案是：B
Is she still angry _______what Tom has done?
A、to
B、with
C、about
答案是：C
You look _______. Did you have a rest all night?
A、tire
B、tired
C、tiring
答案是：B
Bob owed lots of money to the man, _______company went bankrupt.
A、whom
B、who
C、whose
答案是：C
What do think of the industrial park _______ we visited last month?
A、of which
B、which
C、where
答案是：B
Employment _______ in the past two years.
A、has gone up rapidly
B、went up rapidly
C、has risen steady
答案是：A
My mother had me _______for her after class.
A、be waiting
B、waited
C、wait
答案是：C
He’s got an assignment in Tokyo, so he _______work abroad.
A、is going to
B、wants
C、would like to
答案是：A
Inflation fell _______2% between 2000 and 2010.
A、from
B、by
C、/
答案是：B
The food _______ we ate in the dining hall is very delicious.
A、where
B、which
C、who
答案是：B
The furniture has broken for some days, and it _______ .
A、needs fixed
B、needs fixing
C、needs to fix
答案是：B
The comsumption index increases_______6% in 2015 _______8% in 2017.
A、to, from
B、by, from
C、from, to
答案是：C
The balcony _______.
A、needs repair
B、needs repairing
C、needs to repair
答案是：B
Who _______ your pets when you are not at home?
A、takes care
B、looks care
C、takes care of
答案是：C
用旋转命令“rotate”旋转对象时（ ）。
A、可以在三维空间缩放对象
B、必须指定旋转角度
C、必须使用参考方式
D、必须指定旋转基点
答案是：D
移动（move）和平移（pan）命令是（ ）。
A、移动（move）的对象是物体，平移（pan）的对象是视图
B、都是移动命令，效果一样
C、移动（move）的对象是视图，平移（pan）的对象是物体
D、移动（move）速度快，
答案是：A
在CAD中为一条直线制作平行线用（ ）命令。
A、移动
B、镜像
C、偏移
D、旋转
答案是：C
选择与选择栏相交的所有对象要应用栏选，在命令行提示“选择对象”时，输入字母（ ）激活栏选功能。
A、F
B、L
C、S
D、A
答案是：A
拉伸命令“stretch”拉伸对象时，不能（ ）。
A、整体移动对象
B、把圆拉伸为椭圆
C、把正方形拉伸成长方形
D、移动对象特殊点
答案是：B
在执行FILLET命令时，先应设置（ ）。
A、距离D
B、圆弧半径R
C、角度值
D、内部块Block
答案是：B
AutoCAD中包括的尺寸标注类型有（ ）。
A、线性
B、角度
C、直径
D、半径
E、以上都是
答案是：E
（ ）命令用于绘制指定内外直径的圆环或填充圆。
A、圆环
B、圆
C、椭圆
D、圆弧
答案是：A
画完一幅图后，在保存该图形为模板文件时用（ ）作为扩展名。
A、cfg
B、bmp
C、dwt
D、dwg
答案是：C
AutoCAD的层不可以改名的是（ ）。
A、0层
B、1图层
C、第二图层
D、任意层
答案是：A
在AutoCAD中，下列坐标中是使用相对极坐标的是（ ）。
A、(32,18)
B、(@32，18)
C、(32<18)
D、(@32<18)
答案是：D
建立基本三维实体对象后，同样可以修改其尺寸，缩放和平移。（ ）
A、对
B、错
答案是：B
由平面拉伸为实体的命令是（ ）。
A、extrude
B、stretch
C、extend
D、lengthen
答案是：A
在CAD中以下（ ）操作用于移动视图。
A、ZOOM
B、ZOOM/W
C、PAN
D、ZOOM/A
答案是：C
三维模型的观察方法包括（ ）。
A、标准视点
B、自由动态观察
C、连续动态观察
D、以上全部
答案是：D
过圆外一点A作圆的切线，下列叙述正确的是（ ）。
A、用直线LINE命令作直线，起点为A点，终点用切点目标捕捉方式在圆周上捕捉
B、用直线LINE命令作直线，起点为A，终点用交点目标捕捉方式在圆周上捕捉
C、用直线LINE命令作直
答案是：A
在CAD中如果执行了缩放命令的“全部”选项后，图形在屏幕上变成很小的一个部分，则可能出现的问题是（）。
A、栅格和捕捉设置错误
B、溢出计算机内存
C、将图形对象放置在错误的位置上
D、图形界限比当前图形对象范围大
答案是：D
请判断该描述是否正确：三维模型在绘图区域中，可以有五种不同的显示效果，绘图过程中根据需要，可以通过“视觉样式”的设置 来切换。
A、对
B、错
答案是：A
模型空间是（ ）。
A、和布局设置一样
B、主要为设计建模用，但也可以打印
C、和图纸空间设置一样
D、为了建立模型设定的，不能打印
答案是：B
移动圆对象，使其圆心移动到直线中点，需要应用（ ）。
A、正交
B、捕捉
C、对象捕捉
D、栅格
答案是：C
正确的题目应该是一个机器周期等于（ ）振荡周期
A、1个
B、2个
C、12个
D、6
答案是：D
8051单片机片内RAM的低32个字节分成（ ）个工作寄存器组，每组占八个字节
A、1
B、2
C、3
D、4
答案是：D
以下不是构成控制器的部件（ ）
A、程序计数器
B、指令寄存器
C、指令译码器
D、存储器
答案是：D
PSW=18H时，则当前工作寄存器是（ )组.
A、0组
B、1组
C、2组
D、3组
答案是：D
MCS-51单片机片外RAM地址空间与片内RAM地址空间在地址的低端0000H一007FH是（）。
A、重叠
B、不重叠
C、部分重叠
D、不定
答案是：B
8051单片机的堆栈区是向地址（ ）的方向生成的。
A、可变
B、不定
C、减小
D、增大
答案是：D
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