句型转换。

1.Her blue pants are twenty dollars. (改为一般疑问句，并作作否定答)

    _________ her blue pants twenty dollars?

    No,_________ _________.

2.The yellow shirt is sixteen yuan.(对画线部分提问)

    _________ _________ _________ is the yellow shirt?

3. My new shorts arc blue. (对画线部分提问)

    __________ __________ are your new shorts?

4. The boy in green is my brother. (对画线部分提问)

     __________ __________ is your brother?

5. our school, down, come, see, yourself, to, for

  ____________________________________________________.

说明高温法兰泄漏的原因及处理方法。