皮皮学，免费搜题
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【单选题】
宏观经济学要解决的问题是( )A.
既定资源的配置
B.
市场价格的决定
C.
资源如何充分利用
D.
利润最大化的问题
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皮皮学刷刷变学霸
举一反三
【单选题】These goods emit flammable gases in contact with water.keep them dry
A.
Please keep the flammable goods away from water
B.
Please keep these goods away from the engine room
C.
Please keep these goods away from water
D.
Please keep these goods in liquid form
【单选题】These goods emit flammable gases in contact with water
A.
These goods shall be kept clean
B.
These goods shall be kept dry
C.
These goods shall be kept away from heat
D.
These goods shall be kept away from dust
【单选题】These goods emit flammable gases in contact water. Keep them dry.
A.
Please keep the flammable goods away from water
B.
Please keep these goods away from water.
【单选题】According to the information provided, which of the following descriptions of Europa would be accepted by both scientists?
A.
Europa has a larger diameter than does Jupiter.
C.
Europa has a surface made of rocky material. C.Europa has a surface temperature of 20°C.
D.
Europa is completely covered by a layer of ice.
【简答题】Emit
【单选题】One of the main reasons for air pollution is that many cars emit smoke into the at-mosphere.
A.
disregard
B.
discharge
C.
disdain
D.
dismay
【简答题】The moon does not emit heat. ______ (它也不发光).
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