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问题 选择题

下列地点中，其位置符合东半球、北半球、高纬度三个条件的是（　　）

A．25°W，35°N

B．15°W，65°N

C．165°E，35°S

D．25°E，15°S

答案

A点位于北半球、西半球和中纬度，B点位于东半球、北半球和高纬度，C点位于西半球、南半球和中纬度，D点位于东半球、南半球和低纬度．

故选：B．

单项选择题

An analyst does research about discretionary fiscal policy. Challenges to implementing a discretionary fiscal stimulus in a timely manner are least likely to include that:

A. govemments discuss, vote on, and enact fiscal policy changes.
B. policy-makers recognize the nature and extent of the economic problems precisely.
C. government expenditures on unemployment insurance payments will increase during a recession.
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单项选择题

APU的负载控制活门（LCV）为_______控制_______操作。

A、电，液压

B、电，电马达

C、电，气

D、气，气
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