句型转换。

1. What's the meaning of this word "tired"? (同义句)

    ________________________________________________

2. I hope I can see you some day. (同义句)

    I hope _______ _______ you some day.

3. It took her two hours to finish the work. (就划线部分提问)

    _______ _______ _______ it _______ _______ to finish the work?

4. I read the morning paper at breakfast every morning. (用yesterday morning改写)

    ________________________________________________

5. who／in front of／photos／took／museum／the (连词成句)

    ________________________________________________

玻璃电极法测定水的pH值中，消除钠差的方法是：除了使用特制的低钠差电极外，还可以选用与被测水样的pH值相近的标准缓冲溶液对仪器进行校正。