Why do many home-schoolers' parents believe that public education is inferior？
A. Public schools take into consideration every individual child's learning speed.
B. Public schools are charging more than they can offer to the full-development of students.
C. Public schools cannot offer enough teaching materials to every individual child.
D. Public schools often teach students too much useless political nonsense.
Parents stop being too concerned with the possible isolation of their home-schooled children when______.
A. organized activities are also open to home-schooled children
B. virtual communities have made information exchange possible
C. the Internet has provided more updated materials
D. parents are able to stay at home for longer hours
【B4】
A. avoid
B. surpass
C. manifest
D. pursue
储蓄是当前收人减去对当前需求的支付。从宏观角度看，存在私人储蓄、政府储蓄和国民储蓄三个重要的储蓄量。 ()
A. 正确
B. 错误
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