【判断题】物体做圆周运动时,加速度一定指向运动的圆心。
【判断题】物体做圆周运动时,加速度一定指向运动的圆心。
【简答题】我会排列。 1.4米,4厘米,4毫米,4分米 _________________________________ 2.400毫米,4米,30分米,30厘米 _________________________________
【简答题】30厘米=( )分米 ( )毫米=2厘米 50分米=( )米 小红手掌宽约7( ) 食指宽约10( )
【判断题】Internatinal finace applies macroeconomic models to help understand the international economy.
【判断题】International trade applies macroeconomic models to help understand the international economy.
【单选题】Current macroeconomic models use microeconomic principles because
A.
they use the same language for all economists.
B.
they highlight the sociological aspects of production.
C.
the behavior of economic agents changes with policy.
D.
we live in a democratic society and everybody has a say.
【简答题】在横线里填上“>”、“<”或“=”. 40分米______40厘米 3分米______20厘米 52分米______520厘米 27厘米______30毫米.
【单选题】Important characteristics of macroeconomic models include allof the following except:
A.
simplifying assumptions.
B.
functional relationships based on controlled experiments.
C.
endogenous and exogenous variables.
D.
implicit or explicit consistency with microeconomic foundations.