【单选题】患者女,75岁。因“进行性加重头晕、行走不稳、言语不利1个月”就诊。1个月前无明显诱因出现头晕、视物旋转,头晕持续时间长,与头位、体位无关,无耳鸣。后逐渐出现行走不稳,左右摇晃,言语不清,语速快,无饮水呛咳、吞咽困难,无肢体无力。既往有高血压病史,有阵发性心房颤动病史;近2个月阵发性下腹痛。查体:下腹部可触及约6cm×8cm肿物。神经系统查体:意识清楚,爆破样语言,双侧眼球位置运动正常,向双侧注视...
【单选题】The price index in 2002 was 160, and in 2003 the price index was 1What was the inflation rate?______.
D.
indeterminable without knowing the base year
【多选题】患者女,75岁。因“进行性加重头晕、行走不稳、言语不利1个月”就诊。1个月前无明显诱因出现头晕、视物旋转,头晕持续时间长,与头位、体位无关,无耳鸣。后逐渐出现行走不稳,左右摇晃,言语不清,语速快,无饮水呛咳、吞咽困难,无肢体无力。既往有高血压病史,有阵发性心房颤动病史;近2个月阵发性下腹痛。查体:下腹部可触及约6cm×8cm肿物。神经系统查体:意识清楚,爆破样语言,双侧眼球位置运动正常,向双侧注视...
【单选题】If the price of natural gas rises, when is the price elasticity of demand likely to be the highest?
A.
immediately after the price increase
B.
one month after the price increase
C.
three months after the price increase
D.
one year after the price increase
【简答题】The Hotels in Beihai Sun Hotel Rose Hotel Dates: Price ( a night ) Price (a night) 1 Oct.~21 Dec. ¥16...
【单选题】1) The price elasticity of demand measure
A.
the slope of a budget curve.
B.
how often the price of a good changes.
C.
the responsiveness of the quantity demanded to changes in price.
D.
how sensitive the quantity demanded is to changes in demand.
【单选题】What was the original price of an item if a discount of 20 percent reduced the price to $100?
【单选题】美国心理学家范茨采用“( )”方法所做的研究以及随后的一些研究都表明,婴儿并不是任凭环境支配而毫无能力,他们一出世就有了某些视觉活动
【简答题】设变量已正确定义,选项( )与以下程序段不等价。 switch(choice){
case 1: price = 3.0;
case 2: price = 2.5;
default: price = 0.0;
}A. price = 0.0; B. switch(choice){ default: price = 0.0; case 2: price =...
【单选题】The word 'hampered' in Line 1 Para. 2 is closest in meaning to______.