A.安全性B.投资性C.补偿性从保险合同的性质看，责任保险合同具有( )。 A．安全性 B．投资性 C．补偿性……

单项选择题关于保险合同变更事项的有效性顺序，下列说法中正确的是( )。 A．基本条款优于附加条款 B．正文变更优于旁注变更 C．打字变更优于手写变更 D．批单或背书优于附加条款

单项选择题边际收入与产品价格之间存在以下关系： A．边际收入总是低于或等于价格 B．边际收入总是高于价格 C．边际收入有时高于价格，有时低于价格 D．边际收入总是等于价格

单项选择题已知需求方程为：P=50-5Q。在什么产量范围内属弹性需求? A．Q＞10 B．Q＜10 C．Q＞5 D．Q＜5

未分类题A．The woman is making a withdrawal from a bank.B．The woman is admitting the man to a hospital.C．The woman is robbing the man.D．The woman is ordering the man to stop.

未分类题A．A cake tin.B．A microwave oven.C．A rolling pin.D．Flour.

单项选择题一个计算机化的信息系统建设依赖于哪些条件？（）Ⅰ．信息需求及环境Ⅱ．企业内部政策和机制Ⅲ．企业人员素质水平Ⅳ．企业的组织机构Ⅴ．正确的开发策略

A．Ⅰ、Ⅱ
B．Ⅰ、Ⅱ、Ⅲ、Ⅴ
C．Ⅰ、Ⅲ、Ⅴ
D．全部

单项选择题某建筑公司A公司承包一项工程，工程总造价为8000万元，公司将2500万元的安装工程分包给B建筑公司。工程竣工之后，建设单位支付给A公司材料差价款800万元，提前竣工奖250万元。A公司又将其中的材料差价额300万元和提前竣工奖50万元支付给B公司。根据题意回答下列问题：对材料差价和提前竣工奖的处理正确的是（）。

A．均不计入营业额
B．材料差价计入营业额，提前竣工奖不计入营业额
C．材料差价不计入营业额，提前竣工奖计入营业额
D．均应计入营业额

单项选择题The first paragraph mainly talks about （）.

A．the problems caused by river water
B．the necessity to irrigate the field
C．the water shortage in some countries
D．the canals carrying water to fields

单项选择题According to these two letters, which of the following statements is true?（）

A．Confused was glad to visit his roommate's house.
B．Confused was a little worried because he had no money for presents.
C．Confused should arrive at his roommate's house as late as possible.
D．Confused should eat the food up even if he didn't like the food.

未分类题A．Leave for home.B．Check the language lab.C．Buy a new locks.D．Show the man where the lab is.

未分类题A．It has numerous traits in common with the spotted owl.B．Its population is increasing.C．It may not survive without special efforts of conservationists.D．Its role in the chain of evolution has not yet been examined.

单项选择题假如两种物品之间的交叉弹性为-3，那么，第一种物品涨价，会使： A．第二种物品的需求曲线右移 B．第二种物品的需求曲线左移 C．第二种物品的需求量沿着该物品的需求曲线下移 D．对第二种物品的需求曲线的影响不确定

单项选择题正常货是指它的： A．价格弹性大于0 B．价格弹性小于-1 C．收入弹性大于1 D．收入弹性大于0

单项选择题假如总收入TR=300Q-30Q2，Q=5，那么，价格弹性为：（）

A.0
B.-1
C.-10
D.不确定

单项选择题Arabs will（）in a business meeting.

A．spend some time being polite and offering refreshments first
B．ask you to wait for several minutes first
C．introduce you to some strangers first
D．start talking business immediately