通常所说的成品油,下列哪种说法正确?()
A、成品油是指液体石油燃料。
B、成品油是指液体石油产品。
C、成品油是指汽油、煤油、柴油及其他符合国家产品质量标准、具有相同用途的乙醇汽油和生物柴油等替代燃料。
D、成品油就是加油站中标出的车用汽油和车用柴油。

单项选择题Part 2: Cloze (20%) Passage 1 What do we mean by a perfect English pronunciation? To some degree, there are as (61) different kinds of English as there are speakers of it. No two speakers speak it in exactly the same (62) . We can always hear differences between them, and the pronunciation of English varies a great deal in different (63) . How do we decide what sort of English to use (64) a model? This is not a question that can be (65) in the same way for all foreign learners of English. If you live in a part of the world like India or West Africa, where there is a long tradition of speaking English for general communication purposes, you should (66) a good variety of the pronunciation of this area. It would be a (67) here to use as a model BBC English or anything of the sort. (68) , if you live in a country where there is no traditional use of English, you must take as your model some form of (69) English pronunciation. It doesn’t (70) very much which form you choose. The most important thing to do is to take as your model the sort of English you can hear most often. 61.

单项选择题将管子独奏曲《江河水》改编为同名二胡曲的是（ ）。