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【多选题】
需求变动可能使均衡价格()。
A.
上升
B.
下降
C.
不变
D.
消失
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a slight long-term increase in global temperatures
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【单选题】以下4组用户标识符中,全部合法的一组是( )
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【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
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A.
at least a slight decrease in global temperatures
B.
at the most a slight increase in short-wavelength radiation reaching the earth
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