按要求改写下列句子。

1. Liu Feng drinks milk every day.( 就画线部分提问)

    _______ ________ ______Liu Feng _____ milk?

2. I sleep nine hours every night.( 就画线部分提问)

    _____ _______ ______ ______               sleep every night?

3. I have a sore throat.( 改为一般疑问句)

    _______ ______ ______ a sore throat?

4. I’m stressed out because my English isn’t improving. （就画线部分提问）

    _______ _______you stressed out?

5. John’s home is about 10 kilometres from school.( 就画线部分提问)

    _______ ________ is John’s home from school?

现代营销学认为，生产观点、产品观点、推销观点是属于以产定销的范畴。