刷题
导入试题
【单选题】
I often see _________ the road on his way home.___
A. he cross
B. him cross
C. him crossed
D. he crossing
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
B
解析
暂无解析
相关试题
【单选题】
The workers are busy __________ models for the exhibition.___
A. to make
B. with making
C. being making
D. making
【单选题】
The higher the temperature, __________ the liquid evaporates.___
A. the faster
B. the more fast
C. the slower
D. the more slower
【单选题】
Australia is one of the few countries ___________ people drive on the left of the road.___
A. which
B. that
C. where
D. on which
【单选题】
The grey building is the place where the workers live, and the white building is the place where the spare parts _________ .___
A. are producing
B. are produced
C. produced
D. being produced
【单选题】
Once environmental damage ___________, it takes many years for the system to recover.___
A. is to do
B. does
C. had done
D. is done
【单选题】
We worked hard and completed the task ________.___
A. in the time
B. on the time
C. ahead of time
D. before time
【单选题】
I didn't expect you to turn __________ at the meeting yesterday.___
A. up
B. to
C. out
D. over
【单选题】
Mike is better than Peter _________ swimming.___
A. for
B. at
C. on
D. in
【单选题】
Eggs, though rich in nourishments, have ___________ of fat.___
A. a large number
B. the large number
C. a large amount
D. the large amount
【单选题】
His salary as a driver is much higher than _____________.___
A. a porter
B. is a porter
C. as a porter
D. that of a porter
【单选题】
I have been looking forward to__________ from my parents.___
A. hear
B. being heard
C. be heard
D. hearing
【单选题】
The manager will not __________ us to use his car.___
A. have
B. let
C. agree
D. allow
【单选题】
__________ her and then try to copy what she does.___
A. Mind
B. See
C. Stare at
D. Watch
【单选题】
It's bad __________ for you to smoke in the public places where smoking is not allowed.___
A. behavior
B. action
C. manner
D. movement
【单选题】
— I think John and Peter will.___
A. carry out
B. get through
C. take in
D. set aside
【单选题】
If she wants to keep slim, she must make a ________ in her diet.___
A. change
B. turn
C. run
D. go
【单选题】
___________ the War of Independence, the United States was an English colony.___
A.
B. efore B. At
C. In
D. Between
【单选题】
A police officer claimed he had attempted to _________ paying his fare.___
A. avoid
B. reject
C. refuse
D. neglect
【单选题】
He is not seriously ill, but only a _________ headache.___
A. obvious
B. delicate
C. slight
D. temporary
【单选题】
On average, a successful lawyer has to talk to several _________ a day.___
A. customers
B. supporters
C. guests
D. clients
【单选题】
What is the train _________ to Birmingham?___
A. fee
B. tip
C. fare
D. cost
【单选题】
He put forward a theory, _______ of great importance to the progress of science of technology.___
A. I think which is
B. which I think is
C. which is I think
D. I think it is
【单选题】
If the doctor had been available, the child ____________.___
A. would not die
B. could not have died
C. might not die
D. should not have died
【单选题】
The music sounded _______. I enjoyed every minute of it.___
A. well
B. boring
C. wonderfully
D. beautiful
【单选题】
Put it down, Richard. You mustn't read ______letter. ___
A. anyone's else's
B. anyone's else
C. anyone else's
D. anyone else
【单选题】
I saw that she was in difficulty with all those parcels, so I offered my_____.___
A. service
B. money
C. use
D. chance
【单选题】
We were all surprised when he made it clear that he _____________office soon.___
A. leaves
B. would leave
C. left
D. had left
【单选题】
The electric fan has blown away the terrible smell in the hall, ______?___
A. can't it
B. isn't it
C. hasn't it
D. doesn't it
【填空题】
In every cultivated language there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words ___ which we become acquainted in daily conversation,
【填空题】
which we ___,that is to say, from the members of our own family and from our familiar associates,
【填空题】
and which we should know and use ___ we could not read or write.
【填空题】
They ___the common things of life,
【填空题】
and are the stock in trade of all who___the language. Such words may be called “popular”,
【填空题】
since they belong to the people___and are not the exclusive share of a limited class. On the other hand,
【填空题】
our language___a multitude of words which are comparatively seldom used in ordinary conversation. Their meanings are known to every educated person,
【填空题】
but there is little___to use them at home or in the market-place.
【填空题】
Our___acquaintance with them comes not from
【填空题】
our mother’s___or from the talk of our school-mates
【填空题】
,___from books that we read,
【填空题】
lectures that we___,or the more formal conversation of highly educated
推荐试题
【判断题】
平行于杆件横截面的应力称为剪应力。
A. 对
B. 错
【判断题】
轴向拉压时,横截面上的应力是正应力。
A. 对
B. 错
【判断题】
材料变形时在弹性范围内,应力与应变成反比。
A. 对
B. 错
【判断题】
弹性变形是外力卸除后杆件的变形不能消除的变形。
A. 对
B. 错
【判断题】
塑性变形是外力卸除后杆件的变形不能消除的变形。
A. 对
B. 错
【判断题】
材料的延伸率越大,则材料的塑性越好。
A. 对
B. 错
【判断题】
任何材料都有一定的弹性范围。
A. 对
B. 错
【判断题】
减小压杆的长度,能有效的提高压杆的稳定性。
A. 对
B. 错
【判断题】
扭转变形的变形特点是各截面绕杆轴发生相对转动。
A. 对
B. 错
【判断题】
当梁弯曲变形时,梁的轴线由直线变为折线。
A. 对
B. 错
【判断题】
平面弯曲是梁弯曲中最常见的一种。
A. 对
B. 错
【判断题】
简支梁上在均布荷载作用下,最大弯矩值发生在跨中。
A. 对
B. 错
【判断题】
悬臂梁在自由端有集中力作用,最大弯矩发生在自由端。
A. 对
B. 错
【判断题】
悬臂梁的最大剪力和最大弯矩均发生在支座上。
A. 对
B. 错
【判断题】
简支梁在跨中作用一集中力时,其弯矩图形是抛物线。
A. 对
B. 错
【判断题】
简支梁在均布荷载作用时,其弯矩图形是抛物线。
A. 对
B. 错
【判断题】
梁的正应力在横截面上均匀分布。
A. 对
B. 错
【判断题】
梁的正应力在横截面上是离中性轴越远正应力越小。
A. 对
B. 错
【判断题】
矩形截面梁上的剪应力是均匀分布的。
A. 对
B. 错
【判断题】
梁弯曲时,横截面中性轴处的剪应力为零。
A. 对
B. 错
【判断题】
当梁横截面上的剪力为零时,所对应横截面上的弯矩也为零。
A. 对
B. 错
【判断题】
当梁横截面上的剪力最大时,所对应横截面上的弯矩也最大。
A. 对
B. 错
【判断题】
危险点是指横截面上应力最大的点。
A. 对
B. 错
【单选题】
下列不属于力的三要素的是___。
A. 作用点
B. 方向
C. 作用线
D. 大小
【单选题】
下列哪种方法___能提高梁弯曲承载力。
A. 变连续梁为简支梁
B. 增加梁截面高度
C. 变均布荷载为集中荷载
D. 增加梁的计算跨度
【单选题】
以下几种变形形式中不属于四种基本变形形式的是___。
A. 弯曲
B. 剪切
C. 扭转
D. 拉弯
【单选题】
矩形截面梁剪切弯曲时,在横截面的中性轴处___
A. 正应力最大,剪应力为零
B. 正应力为零,剪应力最大
C. 正应力和剪应力均最大
D. 正应力和剪应力均为零
【单选题】
压杆的柔度集中地反映了压杆的___对临界应力的影响
A. 长度、约束条件、截面形状和尺寸
B. 材料、长度和约束条件
C. 材料、约束条件、截面形状和尺寸
D. 材料、长度、截面尺寸和形状
【单选题】
若将圆形截面杆件的直径增加一倍,则其极惯性矩是原来的___
A. 2 倍
B. 4 倍
C. 8 倍
D. 16 倍
【单选题】
已知某段梁截面上剪力为大于零的常数,则其对应的弯矩为___
A. 下倾斜直线
B. 上倾斜直线
C. 开口向上的抛物线
D. 开口向下的抛物线
【单选题】
下列说法中错误的是___
A. 杆件变形的基本形式有四种:轴向拉伸(或压缩)、剪切、扭转和弯曲;
B. 当杆件产生轴向拉(压)变形时,横截面沿杆件轴线产生平移;
C. 当圆截面杆件产生扭转变形时,横截面绕杆件轴线转动;
D. 当杆件产生弯曲变形时,横截面绕中性轴弯曲。
【单选题】
欧拉公式的适用范围为___
A. λ≤0
B. 0<λ<λs
C. λs ≤λ<λp
D. λ≥λp
【单选题】
力对点之矩与以下因素有关,除了___。
A. 大小
B. 方向
C. 作用线长度
D. 点到力作用线的距离
【单选题】
若将矩形截面梁的高度增加一倍,则其惯性矩是原来的___
A. 2 倍
B. 4 倍
C. 8 倍
D. 16 倍
【单选题】
梁发生平面弯曲时,其横截面绕___转动。
A. 梁的纵轴线
B. 截面形心
C. 中性轴
D. 以上都不对
【单选题】
圆形截面杆件扭转时,最大切应力位于___
A. 圆心
B. 离圆心最远处
C. 无法确定
D. 以上都不对
【单选题】
已知某段梁截面上剪力为零的常数,则其对应的弯矩为___
A. 下倾斜直线
B. 水平直线
C. 开口向上的抛物线
D. 无法确定
【单选题】
按照重要程度,管理信息可划分为___。
A. 战略信息、战术信息、作业信息
B. 外部信息、内部信息
C. 一次信息、二次信息、三次信息
D. 数字信息、图象信息、声音信息
【单选题】
信息___。
A. 是形成知识的基础
B. 是数据的基础
C. 是经过加工后的数据
D. 具有完全性
【单选题】
与传统的管理信息系统相比,战略信息系统___。
A. 更注重企业的外部环境
B. 更注重企业内部信息的挖掘
C. 只处理企业的外部信息
D. 提供关于外部环境的信息
欢迎使用我爱刷题
×
微信搜索我爱刷题小程序
温馨提示
×
请在电脑上登陆“www.woaishuati.com”使用