求翻译：然而，表8显示，农村小学英语教材过于单一，使用人民教育出版社编写的《小学英语》的比例竟达97%，而且缺少配套的教学辅助材料。其原因是选择教材的权利没有下放给学校。是什么意思？

However, Table 8 shows that the rural primary school English textbooks are too single, written by the People's Education Press the proportion of primary school English as much as 97%, and the lack of supporting teaching aids. The reason is that the right to choice of materials is not delegated to th

However, table 8 shows, the rural primary school English teaching too, one that uses people's education publishing house in the proportion of primary English as much as 97 per cent, and the lack of suitable teaching materials. The reason for this is to select the right materials is delegated to scho

However, Table 8 demonstrations, the countryside elementary school English teaching material too is unitary, uses the people to educate the publishing house compiles "Elementary school English" the proportion to reach 97% unexpectedly, moreover lacks the necessary teaching accessory material.Its rea

However, table 8 shows, too single rural primary school English textbooks, written using the people's education press up to the proportion of the primary schools of the English 97%, and lack of necessary teaching aids material. The reason for this is to choose the textbook rights are not delegated t

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