下列与安全边际率有关的说法中，正确的有()

下列与安全边际率有关的说法中，正确的有()

A、安全边际与当年实际定货量的比值
B、安全边际率与保本作业率的和为1
C、安全边际与销售量的比率
D、安全边际率越小,企业发生亏损的可能性越小
E、安全边际率越大,企业发生亏损的可能性越小

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1.单项选择题关于管理的绩效的说法大一项不恰当()

A管理活动所取得的结果
B两个衡量标准，即效率和效果
C效率涉及的是活动的方式，效果涉及的是活动的结果
D高效果与高效率是同时存的

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2.单项选择题设置企业界限的目的下列那一说法不正确()

A企业的围墙、门卫、企业文化、管理制度等都是企业界限的组成部分
B防止外部环境可能给企业带来的各种干扰
C保证企业的管理和生产经营活动得以正常持续地进行
D筛选企业的投入和产出

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3.根据文章内容进行判断，正确写“T”错误写“F”
Brand refers to names, logos and slogans. For example, Nike is known for its
slogan “Just do it” and swoosh logo. A trademark shows the origin and ownership
of a product or service, which is used to protect names, logos, drawings,
symbols and other characters related with a business. Coke? and Coca-cola? are
registered trademarks of the Coca-Cola Company.
Many companies spend a lot of money and time registering their trademarks.
There are at least two good reasons for this. Firstly, if you trademark a brand,
you are the only person allowed to use that Brand name slogan etc. If others
want to use that brand, they must ask your permission or pay some money.
Secondly, registration also allows the owner to bring legal action against
anyone who uses the trademark without authorization.
There are basic trademark symbols, e.g.“TM”for goods and“SM”for service.They
tell the public that the product's name and design are the exclusive property of
the company, but a registered trademark? provides notice that it has indeed been
registered.
( )26. According to the writer, it is not necessary for a company to register
a trademark.
( )27. A trademark may be regarded as a protection for a brand name.
( )28. The trademark symbols TM and ? can be exchanged in a brand.
( )29. Legal protection on a brand comes into force only after
registration.
( )30. A company can freely use other companies' brands.

A.Many
B.There
C.g.“TM”for
D.They
E.(
F.(
G.(
H.(
I.(
J.

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4.判断题分析研究弯曲变形，要利用平面假设、连续性假设。()

参考答案：对

5.判断题传动轴通常采用脆性材料制成，可选用第一或第二强度理论校核强度。()

参考答案：错

6.阅读短文，判断句子正误，正确的写T，错误的写F。 The world's longest high －speed railway route, running from Beijing to Guangzhou, has been in operation for a few years. It cuts travel time between the two cities from 22 ho

A.The
B.The
C.As
D.()26.
E.()27.
F.()28.
G.()29.
H.()30.
I.

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7.判断题当截面上的切应力超过比例极限时，圆轴扭转变形公式仍适用。()

参考答案：错

8.判断题作用在刚体上的力，可以沿其作用线任意移动而不改变其对刚体的作用效应。()

参考答案：对

9.判断题物体相对周围物体保持静止称为平衡。()

参考答案：错

10.判断题在截面面积相等的条件下，空心圆轴的抗扭能力比实心圆轴大。()

参考答案：对