题目内容 (请给出正确答案)
提问人:网友z*****n 发布时间:2022年5月1日 23:57
[单选题]

作用在刚体上的力可沿其作用线移到刚体的任一点,而不改变该力对刚体的()效果

A . 作用B . 运动C . 转动D . 变形

参考答案
十点题库官方参考答案 (由十点题库聘请的专业题库老师提供的解答)
更多“

作用在刚体上的力可沿其作用线移到刚体的任一点,而不改变”相关的问题

对于成本-效益分析方法,判定标准很清楚,增量的效益-成本比如果大于(),淘汰原方案,接受新方案。
A.1
B.2
C.3
D.4
点击查看答案
许多小企业都是因为()不足而倒闭的
A . 一次性费用
B . 固定资产
C . 流动资金
D . 商品库存
点击查看答案
Desk Clerk: Good afternoon, Holiday Inn.Customer: Hello, I'd like to book a double room for the nights of 23rd and 24th please.Desk Clerk:______
A.What's the matterB.What can I do for you C.Just a minute, please.D.Can I help you
点击查看答案
中国人民解放军建设的两大课题是()。A.打得赢B.不变质C.现代化D.过得硬E.打不垮
A.打得赢
B.不变质
C.现代化
D.过得硬
E.打不垮
点击查看答案
添加个人书签的方法是什么?
点击查看答案
根据我国《保险法》的规定,在财产保险中,保险事故发生后,保险人已支付了全部保险金额,并且保险金额相等于保险价值的,受损保险标的的全部权利归于被保险人。
点击查看答案
横剖面上甲板中心线相对甲板边线拱起的高度称为()。
A.舷弧
B.龙骨线
C.梁拱
D.平边线
点击查看答案
低碳低合金堆焊材料,常用于堆焊受冲击和金属间摩擦磨损的机器零件。硬度可达()以上。
点击查看答案
从严治警的内容包括( )
A.严格教育
B.严格管理
C.严格监督
D.严格训练
E.严格纪律
点击查看答案
斜板(管)沉淀池斜板间距一般不小于50mm,斜板倾角()。
A.40°~50°
B.50°~60°
C.60°~70°
D.70°~80°
点击查看答案
关于动作技能,以下哪种说法不正确。()
A . 动作技能是一种有目的的有意识的活动能力
B . 动作并不是运动技能
C . 眨眼属于动作技能
D . 个体越是能经济、合理有效地利用身体动作完成任务,其动作技能水平就越高
点击查看答案
红细胞生成的基本原料是
A.铁和维生素B B.叶酸和维生素B C.叶酸和蛋白质 D.维生素B 和蛋白质 E.铁和蛋白质
点击查看答案
下列各项中,对多层建筑物坡屋顶内和场馆看台下建筑面积的计算说法正确的是()。
\tA、层高在2.20m及以上者计算全面积
\tB、净高在1.20~2.10m的部位计算1/2面积
\tC、设计加以利用时,净高2.0m部位计算1/2面积
\tD、设计不利用的净高超过2.10m的部位计算全面积
点击查看答案
在桥式整流电路中,如果有一个二极管虚焊,则电路( )
A. 其他二极管将被烧毁 B. 将变成半波整流电路 C. 整流输出电压将上升 D. 将没有整流功能
点击查看答案

 Look at the following sentence pairs, and complete the second sentence in each pair with a word or expression from the box so that its meaning is similar to the first sentence. You do not need to change the form of any of the words / expressions.

codes of practice

Downsizing

unauthorized

widening

incentive

general improvement

retain  

transformation 

erode

overrun

dress-down day

expansion

marked progress

specify

outlined

 

1. The management agreed to measures to keep experienced employees in the company.

 The management reached a consensus on measures to ___________ experienced staff of the company.

 

2. Candidates are asked to state clearly which of the posts they are applying for.

Candidates are asked to ___________ which of the posts they are applying for.

 

3. A: On Wednesdays, we're allowed to wear informal clothes to work.

    B: Us too. Our __________ is Friday.

 

4. The production workers have gone beyond the time limit set by their manager.

The workers have __________ the time limit set by the production manager.

   

5.  Employees have to follow company instructions on how to behave in the workplace, especially when they are working with dangerous equipment or substances.

Employees need to obey __________.

 

6. Peter was away from work without permission and without a good reason.

Peter has taken __________ absence from work.

 

7. People can afford to buy more and live more comfortably than they could twenty years ago.

There has been a _____________ in the standard of living.

 

8. Last year, 33% of the population worked in secondary industries and 48% worked in the tertiary sector. This year, the figures are 27% and 53% respectively.

There has been a __________ of the gap between those working in different sectors of the economy.

 

9.  Because our company is bigger now than it was two years ago, we need to recruit more people.

Owing to the __________ of our company over the last two years, we need more workers.

10.   Unless your work visibly improves, we will have to recommend a transfer to another department.

We need to see __________ in your work, or we will recommend a departmental transfer.

 

11.   Making the company smaller by making a lot of staff members redundant has made it much more profitable than it was before.

__________ the company has made it much more profitable than it was before.

 

12.   The chairman gave a general description of the company's plans for the coming year.

The chairman __________ the company's plans for the coming year.

 

13.   The new director helped this small local enterprise turn into a major international concern.

The new director has contributed to the __________ of the small local enterprise into a major international concern.

 

14.   The company will gradually reduce the differences in salaries between the two departments over the next few months.

The company will __________ wage differentials between the two departments.

 

15.   Some companies try to motivate their staff to perform better through increased rewards and benefits.

Some companies have __________ plans, where they offer their employees bonus for good attendance, behavior and productivity, etc.

  1. ____________

  2. ____________

  3. ____________

  4. ____________

  5. ____________

  6. ____________

  7. ____________

  8. ____________

  9. ____________

  10. ____________

  11. ____________

  12. ____________

  13. ____________

  14. ____________

  15. ____________

点击查看答案
客服
TOP