第161页 - 综合素质随堂反馈九年级英语译林版无锡专版

Because it can read human feelings.

It looks like a small girl.

By cheering them up./By making them relaxed./By encouraging them or making them laugh.

They help people in different ways./They have different uses.

I think they're helpful.

（更多请点击查看作业精灵详解）