必须凭执业医师或执业助理医师的处方才可以购买的药物属于（ ）。

为了让一切创造社会财富的源泉充分涌流，改革开放以来，我国进行了经济制度的改革，形成了的基本经济制度。（    ）

    My class is like (像) a big1. I like all my2. I have3friends in my class. One of them is Suzy, a girl from Nanjing. But now she lives4Yangzhou.

    Suzy is a good student. She learns (学) all her5well. Her favourite thing is6. She thinks books are like food and help her7lot.

    8Wednesday afternoons, she always9to a nursing house (敬老院). Sometimes she10with the old people there. Sometimes she plays some music for them. They enjoy11o Beijing Opera (京剧) very much.

    Suzy is also a good12. She thinks Yang Liping is one of the best dancers in the world. So she often13Yang's shows on TV. Her great dream14 to see Yang Liping, though（尽管）she knows it is15 .