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【单选题】
关于静脉血压，下列叙述中哪一项是错误的A.
站立时颅内静脉窦的压力低于大气压
B.
正常人在直立状态下，足背静脉压和主动脉平均压几乎相等
C.
深吸气时，中脉压升高
D.
中脉压的高低与心脏的射血功能有关
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举一反三
【单选题】National savings equals:
A.
private savings plus consumption spending.
B.
trade balance plus the budget balance.
C.
private savings plus the budget balance.
D.
government spending plus taxes.
【单选题】Which of the following is (are) a source (sources) of funding for private investment spending?I.savings of the owners of a family business II. profits of a large corporation III. borrowing
A.
I only
B.
II only
C.
III only
D.
I, II, and III
【单选题】Which of the following is false about private savings and government savings?
A.
SP = Y - T - C
B.
Unlike private saving decisions, government saving decisions are often made with an eye toward their effect on output and employment.
C.
Total savings (S) = SP + Sg.
D.
The national income identity can help us to analyze the channels through which government saving decisions influence macroeconomic conditions.
E.
None of the above; all statements are true.
【单选题】Which of the following is false about private savings and government savings? ( )
A.
SP = Y - T - C
B.
Unlike private saving decisions, government saving decisions are often made with an eye toward their effect on output and employment.
C.
Total savings (S) = S p + S g .
D.
The national income identity can help us to analyze the channels through which government saving decisions influence macroeconomic conditions.
E.
None of the above; all statements are true
【单选题】In a closed economy, national savings equals private savings:
A.
minus consumption spending.
B.
plus the budget balance.
C.
minus investment spending.
D.
minus tax receipts.
【简答题】两个串相等是指两个串相长度等,且对应位置的 。
【单选题】National savings is the sum of private savings and:
A.
private consumption.
B.
government tax revenue.
C.
the budget balance.
D.
trade surplus.
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