句型转换。

1. I think he will come back soon. (否定句)

    I _______  think he _______ come back soon.

2. The classroom is opposite the library.(对划线部分提问)

    _______ the classroom?

3. He went to school by underground yesterday.   (对划线部分提问)

    _______ _______ he _______ to school yesterday?

4. How is the weather in your home town in summer? (同义句)

    _______ the weather _______ in your home town in summer?

5. It's only ten minutes from my home to school by bicycle. (同义句)

    It _______ only ten minutes _______ ride to school.

6. Do you know where we can get the information?  (同义句)

   Do you know where  _______  _______ the information?

公锥由接头和锥体两部分组成，一般是长锥形整体结构。