对于极微量(ng水平)抗原的检测，首先可考虑使用

A．反向间接血凝法

B．荧光抗体技术

C．放射免疫测定

D．ELISE法

E．单向免疫扩散

请按以下各小题的要求转换句型，每个空格只准填一个 单词。

小题1:"Jack, can you help with the dinner?" Jack’s mother asked.(改成间接引语）

Jack was asked ______________he ______________help with the dinner.

小题2: Peter does well in basketball. He does well in football, too.(合并成一句）

Peter does well in ______________basketball ______________football.

小题3:The girl didn’t know where he could find her mother.(改成简单句）

The girl didn’t know where______________   ______________her mother.

小题4:He forgot to turn off the light and left.(同义句转换）

He left ______________the light______________.

小题5:We should allow the students to tell their own ideas.(改成被动语态）

The students should______________      ______________to tell their own ideas.