题目内容：

阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。

This is Tammela School, a primary school in Finland. The students are having a math class with their robot teacher.

The “teacher” is1.small, blue machine about 25cm high, Reuters reported. Whenever students have problems, it helps them very2.(patient) and never gets bored.

“The robot can make students3.(active) in class than usual. I see Elias as one of the4.(tool) to get different kinds of practice and activities into the classroom,” a teacher told Reuters.

So far the school5.(introduce) four robot teachers, one of whom is a language teacher that can speak 23 languages and dance to music. “6.is necessary to encourage kids to come up7.new ways to make use of technology in school life,” the head of the school8.(add) in the interview.

The robot teachers are used9.(help) improve learning. This doesn’t mean that human teachers will lose their jobs. The robots can teach well,10.they are not able to keep class in order. The school still needs human teachers.