进入2015年，始于去年年底的国际油价自由落体态势并未停止。国际油价暴跌给中国提供了改革良机，2015年1月13日国内成品油消费税在45天内迎来了第三次上调。提高成品油消费税（  ）

①有利于刺激居民消费需求      

②有利于贯彻节约资源和保护环境的基本国策

③有利于提高成品油销售利润    

④有利于合理引导消费需求

根据材料内容，选择正确答案。

    Do you know fish come out of eggs when they are born? After the little fish comes out of the egg, it eats the food in the egg. When it is big, it leaves the egg. It swims in the water. You can see the eyes and nose. Its ears are hidden in the head.

    Spree fish eat other fish. Some fish have small mouths and teeth and they often eat plants.

实验室用图所示的装置制取乙酸乙酯，下列说法正确的是（　　）

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