What do Dr. Ravitchs basic principles of education center on？A．All children should have ac
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What do Dr. Ravitchs basic principles of education center on？
A．All children should have access to an education of high quality.
B．Accountability and choice are very effective means.
C．More public services should be privatized at a faster speed.
D．Physical education isn"t an essential part of high-quality education.
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