关于投资乘数原理加边速数原理，下列说法中正确的是( )。 A．边际消费倾向越大，投
题型：多项选择题
问题：
关于投资乘数原理加边速数原理，下列说法中正确的是( )。
A．边际消费倾向越大，投资乘数越大
B．边际储蓄倾向越大，投资乘数越大
C．投资的增加会引起产出的更大增加
D．投资乘数是边际消费倾向的倒数
E．投资乘数是加速数的倒数
题型：多项选择题
Every school has notice boards. Let's see what is on the notice board of an American school.
小题1:From , parents can get information on the parents’ meeting.
A．School Policy
B．Report Card
C．Class Announcement
D．After-school Program小题2:Report Card shows parents .
A．certain school rules
B．after-school activities
C．plans for classes and tests
D．children's school life and work.小题3:If Tony doesn't do well at school but makes progress, he will get on the Report Card.
A．1
B．2
C．3
D．4小题4:Students do their homework and read books .
A．from 3:30 to 4:30
B．from 3:30 to 6:00 .
C．from 4:30 to 6:00
D．from 6:00 to 7:00小题5:According to School Policy, visitors have to __________ when entering the school.
A．hand in a note
B．call at 524-9752
C．check in at the office
D．telephone the school