45.A.friend       B.classmate    C.neighbor    D.child

B

Most American students go to traditional public schools.There are about eighty－eight thousand public schools in America.Some 　46　  attend about three thousand independent public schools，which are 　47　 charter(特许)schools.

Charter schools are self-governing.Private companies operate most of them.They are 　48　 in some ways to traditional public schools.They 　49　 tax money from the governments just as other public schools do.Charter schools must prove to the local or state 　50　 that their students are learning.These governments 　51　 the schools with the agreement called a charter that permits them to 　52　  .

Charter schools are 　53　  because they do not have to obey most laws governing traditional public schools.Local,state or federal governments cannot tell them what to teach.Each school can choose its own 　54　 and decide the ways it wants to reach them.Class size is usually smaller than that in 　55　 public schools.

The Bush Administration(政府)strongly 　56　  charter schools as a way to re-organize public schools that are  57  to educate students.

　58　,some state education agencies,local education committees and unions attack charter schools.A study called“the National Assessment of Educational Progress”shows that charter school students performed 　59　  on math and reading tests than students in public schools.The study found that fourth graders at charter schools were about half a year 　60 public school students in both reading and mathematics.