【简答题】假设一经济体系的消费函数为C=600+0.8y,投资函数为I=400-50r,政府购买为G=200,货币需求函数为L=250+0.5 y-125r,货币供给MG=1250(单位均是亿美元),价格水平P=1,试求: (1)IS和LM的方程。 (2)均衡收入和利率。 (3)财政政策乘数和货币政策乘数。 (4)设充分就业收入为Y*=5000(亿美元),若用增加政府购买实现充分就业,要增加多少购买? (5...
【单选题】while we don’t agree we continue to be friends
【单选题】What the result might be if Jane's grades continue to fall?
A.
She wouldn't be able to get a scholarship for college.
B.
She won't be able to be admitted to college.
C.
She won't get a diploma from high school.
D.
She will be forced to leave the high school.
【判断题】脚手架的拆除顺序是自上而下,先搭设者先拆,后搭设者后拆
【多选题】[4M-05]下列关于8051定时器/计数器的结构和各部分功能的说法正确的是( )。
A.
由T0计数器、T1计数器、工作方式寄存器TMOD和控制寄存器TCON四大部分组成
D.
T0和T1均为独立的16位减法计数器,分别由两个8位寄存器组成
F.
T0和T1均为独立的16位加法计数器,分别由两个8位寄存器组成
G.
TCON用于设置定时器的工作方式,TMOD用于控制定时器的启动与停止
【单选题】What is most likely to motivate volunteers to continue their work? 查看材料
A.
Individual differences in role identity.
B.
Publicly identifiable volunteer T-shirts.
C.
Role identity as a volunteer.
D.
Practical advice from researchers.
【单选题】The ___ people must continue what the dead didn't finish.
【单选题】Do you know ____ that made it possible for them to continue their project?
【多选题】立即的( )行动可暂时除去危险,( )的行动有助于使危险不再发生。