句型转换

1. Fitzroy used to have lots of factories, __________ __________?

2. There are only a few here now, __________ __________?

3. It's near the Yarra River.(同义句)

    It's __________ __________ the Yarra River.

4. It's only three kilometers from Fitzroy.

    __________ __________ is it from Fitzroy?

5. There are quite a few schools in Fitzroy.

    There are __________ schools in Fitzroy.

6. Sometimes I ride a bike to school.

    __________ times I __________ to school.

7. Bangkok is full of modern buildings.

    Bangkok __________ __________ __________ modern buildings.

用下列装置进行相应实验，能达到实验目的的是

图1               图2             图3                   图4

A．图1所示装置用于Cu和浓H₂SO₄反应制取少量的SO₂气体

B．图2所示装置用于除去碳酸氢钠固体中的少量碳酸钠

C．图3所示装置用于制备并收集NO气体

D．图4所示装置制取并收集氨气