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 waterB.the necessity to irrigate the fieldC.the water shortage in some countriesD.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.0B.-1C.-10D.不确定
单项选择题Arabs will()in a business meeting.
A.spend some time being polite and offering refreshments firstB.ask you to wait for several minutes firstC.introduce you to some strangers firstD.start talking business immediately
单项选择题完整的原型化的工具,应具有几个基本成分。以下成分:Ⅰ.集成数据字典Ⅱ.高适应性的数据库管理系Ⅲ.非过程查询语言和报告书写器Ⅳ.自动文档编辑器 Ⅴ.屏幕生成器 哪个(些)是原型化工具应该具备的?()
A.Ⅰ和ⅤB.Ⅰ和ⅣC.Ⅲ和ⅣD.全部
未分类题A.胸骨左缘第2肋间可闻及Ⅳ级连续性机器样杂音 B.胸骨左缘3~4肋间可闻及Ⅳ级左右收缩期杂音 C.胸骨左缘2~4肋间可闻及I、Ⅱ级左右收缩期喷射音 D.胸骨左缘2—3肋间可闻及Ⅲ级收缩期喷射音,肺动脉瓣区第二音亢进固定性分裂 E.心尖部可闻及Ⅱ级收缩期杂音动脉导管未闭
单项选择题当需求价格弹性小于1时,边际收入为: A.负值 B.正值 C.0 D.正值,但小于1
未分类题A.Its scarce proteins.B.Its terrible taste.C.Its many vitamins.D.The difficulty of finding it.
单项选择题假如Qx=20-0.5Px+0.1I-2.0Py,Py=2和Qx=10,那么x的交叉弹性为: A.-0.2 B.-0.4 C.-0.04 D.0.4
单项选择题假如Qx=20-0.5Px+0.1I-2.0Py,物品x和物品y为: A.替代品 B.互不相关 C.低档货 D.互补品
未分类题A.look upB.look downC.look awayD.lo0k back