单项选择题A．He thinks it is a wise move.B．He thinks Bob is not wise to invest all his money in stocks.C．He thinks Bob should move to another place.D．He thinks it’s better for Bob to invest later.

单项选择题A．Because of the increase of economy.B．Because the schools have to build more buildingsl.C．Mainly because the expenditure on education is reduced.D．Because the schools have to increase the salary of the staff.