【多选题】以下哪些是属于服务规范送修的关键要点 (1分)
【单选题】Classical growth theory argues that when real GDP per person rises above the subsistence level,
A.
technological change slows down, stagnating the economy.
B.
population growth increases, driving real GDP per person back to subsistence level.
C.
people don't want to work as much, decreasing labor supply.
D.
the economy enjoys a period of permanent growth.
【判断题】刚玉和绿柱石都常发育有六方柱,它们都属于六方晶系
【判断题】刚玉和绿柱石都常发育有六方柱,它们都属于六方晶系。 ( )
【单选题】Real GDP ______ over time and the growth rate of real GDP ______.
【判断题】宝石晶体外观几何形态为六方柱时,这种宝石属于六方晶系宝石 。
【判断题】刚玉和绿柱石常发育六方柱,他们都属于六方晶系。
【单选题】Long-run growth in real GDP is determined primarily by ______, while short-run movements in real GDP are associated with ______.
A.
variations in labor-market utilization; technological progress
B.
technological progress; variations in labor-market utilization
C.
money supply growth rates; changes in velocity
D.
changes in velocity; money supply growth rates