牙体硬组织中氟含量由高向低正确顺序是

A．釉质表层＞牙本质＞釉质深层

B．牙本质＞釉质表层＞釉质深层

C．牙本质＞釉质深层＞釉质表层

D．釉质表层＞釉质深层＞牙本质

E．釉质深层＞釉质表层＞牙本质

按要求改写句子

1. Please telephone me later. (改写为同义句)

             me later,please.

2. She's Lisa. (改写为同义句)

                         is Lisa.

3. His last name is Green. (改写为同义句)

His                          is Green.

4. His telephone number is 23242565. (就画线部分提问)

                          telephone number?

5. That's my pencil case. (改写为一般疑问句)

                                       pencil case?