句型转换。

1. Bob likes eggs for breakfast. (对画线部分提问)

   ______ ______ Bob ______ for breakfast?

2. There are oranges on the tables. (改为单数形式) 

   ___________________________________________________

3. I like fruit, but I don't like vegetables. (用Jane作主语改写句子) 

   ___________________________________________________

4. His brother has lunch at school. (改为一般疑问句并作否定回答) 

   ___________________________________________________

5. Jerry, lots, healthy, eats, food, of (连词成句) 

   ___________________________________________________

在200mL溶液中，含EDTA O.05mol，则该溶液的物质的量浓度为( )。

A．0.05mol/L

B．0.01mol/L

C．0.5mol/L

D．0.25mol/L