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【单选题】
动力转向油泵输出油压低不可能的原因是( )。3A.
缺油
B.
转向助力不足
C.
油液中有空气
D.
油泵磨损
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举一反三
【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
ositively related to government spending.
D.
negatively related to the exchange rate.
【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
positively related to government spending.
D.
negatively related to the exchange rate.
【单选题】流行病学的作用不是用于
A.
研究统计资料的分析
B.
研究疾病的流行因素
C.
研究疾病预防措施的效果
D.
描述人群口腔健康与疾病的分布状态
E.
监测口腔疾病流行趋势
【单选题】Planned investment spending:
A.
. is positively related to the interest rate.
B.
. is negatively related to the interest rate.
C.
. is independent of the interest rate.
D.
. moves in the same direction as does the market interest rate.
【单选题】Investment spending is:
A.
spending on productive physical capital.
B.
spending on bonds.
C.
spending on shares of stock.
D.
spending on productive physical capital, on bonds, and on shares of stock.
【单选题】患者,女,69岁,患原发性高血压病12年,未规律治疗。体检时胸片显示心脏增大,心电图显示左心室高电压,超声心动图检查发现左心室后壁增厚。引起这些心脏改变最主要的体液因子是
A.
胰岛素
B.
内皮素
C.
儿茶酚胺
D.
心房钠尿肽
E.
B型钠尿肽
【单选题】If planned investment spending is $2 trillion and inventories decrease by $0.5 trillion then, actual investment spending is:
A.
. $2.5 trillion.
B.
. $1.5 trillion.
C.
. $2 trillion.
D.
. impossible to determine without more information.
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