_____________是目前Internet上非常丰富多彩的应用服务,其客户端软件就是网络浏览器。该应用服务模式称为客户/服务器模式(即C/S结构),因为客户端Client就是Browser,所以又称为B/S结构模式。
A.cash
B.rush
C.cush
D.cushion
You are a sub-manager of a bank. There has been a change in government regulations Interest rates have increased to 12% for deposits. Write a short letter to customers who have deposit accounts at your branch.
When accepting vehicles for shipment,the Master should ensure that ______.
A.all decks intended for the stowage of vehicles are,in so far as is practicable,free from oil and grease
B.the ship has on board an adequate supply of cargo securing gear,which is maintained in sound working condition
C.vehicles are in apparent good order and condition suitable for sea transport,particularly with regards to securing
D.All of the above
设有Pascal程序: program p_7_6 var a,b,c:integer; L1:procedure pl(var z:integer) var a,x,y:integer; b:array[1..5,1..io]of real; function f(var t:integer):boolean; var x:integer; L2: begin X:=a+t; f:=x+2 end; begin
end; L4:procdure p2(var y:integer); var x,z:real; begin
end; begin
L7: end. 试用图示法说明,在程序执行过程中,当控制到达各标号处时数据空间栈的存储分配情况。
已知由300个样本估计的工人工资的方程为: In(salary)=2.42+0.257In(sales)+0.11roe+0.231soft+0.151info-0.123inte (15.3) (8.03) (2.75) (1.775) (2.130) (-3.982) 式中,salary表示年工资(万元);sales表示年销售收入(万元);roe表示公司股票收益(万元);soft、info和inte均为虚拟变量,分别表示软件业、信息传输行业和技术服务行业,其对比产业为交通运输业: (1)解释三个虚拟变量参数的经济含义; (2)保持sales和roe不变,计算技术服务行业和交通运输业之间估计工资的近似百分比差异。该差异在1%的显著水平上是统计显著的吗? (3)软件业和信息传输行业之间估计工资的近似百分比差异是多少?写出一个能直接检验这个差异在统计上是否显著的方程。