单项选择题

财政支出的增大可能挤出企业和私人的投资，“挤出效应”的大小取决于政府支出引起的某一中介指标上升的幅度，该中介指标是（　　）。[2011年中级真题]

A.汇率
B.货币供应量
C.利率
D.储蓄

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听力原文： Internet use appears to cause a decline in psychological well-being, according to research at Carnegie Mellon University.Even people who spent just a few hour's a week on the Internet experienced more depression and loneliness than those who logged on less frequently, the two-year study showeD.And it wasn't that people who were already feeling bad spent more time on the Internet, but that using the Net actually appeared to cause the bad feelings.Researchers are puzzling over the results, which were completely contrary to their expectations. They expected that the Net would prove socially healthier than television, since the Net allows users to choose their information and to communicate with others.The fact that Internet use reduces time available for family and friends may account for the drop in well-being, researchers hypothesizeD.Faceless, bodiless 'virtual' communication may be less psychologically satisfying than actual conversation, and the relationships formed through it may be shallower. Another possibility is that exposure to the wider world via the Net makes users less satisfied with their lives.'But it's important to remember this is not about the technology; it's about how it is used,' says psychologist Christine Riley of Intel, one of the study's sponsors. 'It really points to the need for considering social factors in terms of how you design applications and services for technology.'(33)A.People who feel bad spent more time on the Internet.B.Using internet can cause depression and loneliness.C.Internet use can improve psychological well-being.D.Surfing Net for a few hours a week cannot cause bad feelings.

A.B.
C.
D.
E.
F.'
(33)
A.People
G.
B.Using
H.
C.Internet
I.
D.Surfing

单项选择题

以C表示消费，I表示投资，S表示储蓄，G表示政府购买，X表示出口，M表示进口，则用支出法计算国内生产总值（GDP）的公式可写成（）。[2010年中级真题]

A.GDP＝C＋I＋G＋（M－X）
B.GDP＝C＋I＋G＋（X－M）
C.GDP＝C＋I＋S＋（X－M）
D.GDP＝C＋I＋S＋（M－X）

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