交通运输工程
相似问题和答案
第1题：
Zero-profit-point 零利润点
对一个厂商而言，收支相抵时的价格水平。即全部成本得到弥补但利润为零的价格水平。
第2题：
在同一可访问区内有如下8个函数：
①double calculate(double x)
②double calculate(double x, double y)；
③double calculate(double x. int y)；
④double calculate(int x, double y)；
⑤double calculate(int x)；
⑥float calculate(float x)；
⑦float calculate(double x)；
⑧float calculate(int x，double y)。
那么关于函数重载的说法中，不正确的是(63)。
A．②③④⑤中任两个函数均构成重载
B．①③构成重载
C．②⑧肯定构成重载，⑥⑦也肯定构成重载
D．④⑧构成重载
解析：“overload”翻译过来就是：超载，或过载，或重载，即超出标准负荷。在日常生活中我们经常要清洗一些东西，比如洗车、洗衣服。尽管我们说话的时候并没有明确地说用洗车的方式来洗车，或者用洗衣服的方式来洗一件衣服，但是谁也不会用洗衣服的方式来洗一辆车，否则等洗完时车早就散架了。我们并不要那么明确地指出来就心知肚明，这就有重载的意思了。对于同一可访问区内被声明的几个具有不同参数列的(参数的类型、个数、顺序不同)同名函数，程序会根据不同的参数列来确定具体调用哪个函数，这种机制叫重载。重载不关心函数的返回值类型。
第3题：
M company is a manufactory which produces toys．The budgeted production and sales of the company are both expected to be 200 units in the coming year，the budgemd selling price is$370 per unit．The following information mimes to the costs of producin9 200 toys：
Per unit(＄)
Total(＄)
Direct material costs
l 50
30 000
Direct labor costs
80
1 6 000
Variable production overheads
50
1 0 000
Variable selling and administration overheads
30
6 000
Fixed production overheads
6 000
Fixed selling and administration overheads
3 000
Requirement：
A．Calculate the total contribution margin．
B．Calculate the amounts of profit at the budgeted level of production．
C．Calculate the break-even point in units and the margin of safety．
D．If M company desires a profit of$4 800，calculate the number of units that it must produce and sell．
A.Total contribution margin=370×200-(150+80+50+30) ×200=370×200-310×200
=12000
B.The amounts of profit at the budgeted level of production=12000-(6000+3000)=3000
C.Break-even point in units=(6000+3000)/(370-310)=150
The margin of safety=200-150=50
D.4800=(370-310) ×Q-9000
The number of units=(4800+9000)/(370-310)=230
第4题：
What are two components of the discovery guide in the Cisco SBR sales approach?（）
- A、Calculate Business Need PriorityAnd Evolution Phase
- B、Prioritize and Prepare Solutions Recommendations
- C、Pain Point and Implementation Assessment
- D、Business Needs-based Solution Recommended
正确答案:A,C
第5题：
M company is a manufactory which produces toys.The budgeted production and sales of the company are both expected to be 200 units in the coming year, the budgeted selling price is $ 370 per unit. The following information mimes to the costs of producing 200 toys:
Per unit ($) Total ($)
Direct material costs 1 50 30 000
Direct labor costs 80 1 6 000
Variable production overheads 50 10 000
Variable selling and administration overheads 30 6 000
Fixed production overheads 6 000
Fixed selling and administration overheads 3 000
Requirement：
A.Calculate the total contribution margin.
B.Calculate the amounts of profit at the budgeted level of production.
C.Calculate the break - even point in units and the margin of safety.
D.If M company desires a profit of$4 800, calculate the number of units that it must produce and sell.
A.Total contribution margin=370*200 - (150 +80 +50 +30) *200 =12 000
B.The amounts of profit at the budgeted level of production=12 000 -(6 000 +3 000) =3 000
C.Break - even point in units= (6 000 +3 000)/(3 70 - 310) =150
The marsin of safety= (200 - 150) *370 =18 500
D.4 800= (370 - 310) *Q-9 000
The number of units = (4 800 +9 000)/ (370 -310) =230
第6题：
A.Smooth Point(平滑曲线点)
B.Corner Point(角点)
C.Compounded Point(复合式控制点)
D.Vector Point(向量式控制点)
第7题：
A vessel aground may have negative GM since the ______.
A.decrease in KM is equal to the loss of draft
B.virtual rise of G is directly proportional to the remaining draft
C.lost buoyancy method is used to calculate KM, and KB is reduced
D.displacement lost acts at the point where the ship is aground
搁浅船可能具有负的GM值因为船舶搁浅的点使排水量损失。
第8题：
PRB总利用率是在时域和频域计算得来的，其参考点是『____』层和『____』层之间的服务接入点 。(PRB total utilization is calculated in the time domain and frequency domain, and its reference point is the service access point between 『____』and 『____』 layer.)
物理
physical
MAC
第9题：
Given the correct input parameters， the Cisco WCS Planning Tool can calculate a recommendedaccess point count for which three uses？ （）
- A、data/coverage
- B、voice
- C、location
- D、mesh
- E、public
- F、WPAN
正确答案:A,B,C
第10题：
等电点（pI，isoelectric point）
正确答案:使分子处于兼性分子状态，在电场中不迁移（分子的净电荷为零）的pH值。