按要求做题.

1. Ben started to collect coins about 4 years ago. (改为同义句)

      Ben ____________  ____________ collecting coins for 4 years.

2. I don't have my own dictionary,so I have to share one with my brother. (改为同义句)

      I don't have a dictionary ____________ my ____________, so I have to share one with my

      brother.

3. He learned to swim when he was 7 years old. (改为同义句)

      He learned to swim ____________ ____________ ____________ ____________7.

4. He has been working for five years. (就画线部分提问)

      ____________  ____________ has he been working?

5. She asked me if I would go to the cinema the next day. (改为直接引语)

      She asked me, "____________  you ____________  to the cinema ?"

过氧化物酶染色呈阳性反应的是 （）

A.透明管型

B.红细胞管型

C.中性粒细胞管型

D.上皮细胞管型

E.脂肪管型