全面建成小康社会，不断提高人民收入水平是实现“四个全面”的重要内容之一。回答小题：

阅读下面短文，在空白处填上一个适当的单词。（首字母已给出）

    This is a supermarket. It is new and big. You can buy m____ things here. You can buy food and d____ You can buy fruit and v____ You can buy school things like pens, pencils, pencil sharpeners and so on. You can a____ buy clothes here. You can buy fridges and washing machines, t____ .

  The supermarket is o____ 12 hours a day. There are often many p____ there. The shop a____ work very h____ and they are f____  too. They like to help everybody. I like the supermarket.

（2015湖南）某工作的三视图如图3所示，现将该工作通过切削，加工成一个体积尽可能大的正方体新工件，并使新工件的一个面落在原工作的一个面内，则原工件材料的利用率为（材料利用率=新工件的体积/原工件的体积）

下列生物中，可产生抗生素的是（ ）