单选题 What do we mean by a perfect English pronunciation? In one 1 there are as many different kinds of English as there are speakers of it. 2 two speakers speak in exactly the same 3 . We can always hear differences 4 them, and the pronunciation of English 5 a great deal in different geographical 6 . How do we decide what sort of English to use as a 7 ? This is not a question that can be 8 in the same way for all foreign learners of English. 9 you live in a part of the world 10 India or West Africa, where there is a long 11 of speaking English for general communication purposes, you should 12 to acquire a good variety of the pronunciation of this area. It would be a 13 in these circumstances to use as a model BBC English or 14 of the sort. On the other hand, if you live in a country 15 there is no traditional use of English. You must take as your model some form of native English pronunciation. It does not matter very much which form you choose. The most effective way is to take as your model the sort of English you can hear most often.