句型转换。

1. There will be more rain in 100 years.(改为否定句)

   There _______ _______ more rain in 100 years.

2. He will go on a picnic in two days.(对划线部分提问)

    _______ _______ _______ he go on a picnic?

3. He'll work as a reporter when he is older.(改为同义句)

    He'll work as a reporter when he_______ _______.

4. I  finished my homework alone.(改为同义句)

    I  finished my homework _______ ________.

5. I  think there will be robots in everyone's  home.(改为一般疑问句)

    ________ ________ _______ there _______ ________robots in everyone's home?

纳米技术是指纳米尺度内的科学技术，它是现代科技的前沿，纳米是很小的        单位，1nm =          m。