Questions are based on the following passage.
【小题1】

A．Students are not limited by geography.

B．Students with hearing difficulties can learn.

C．Shy students can feel secure.

D．Loneliness can be relieved.

【小题2】

A．Help the senior to know more people.

B．Solve the traffic problems for seniors.

C．Help to deal with academic questions.

D．Help the senior to know how to learn online.

【小题3】

A．To get the financial aid from the government.

B．To pursue academic development.

C．To make their life valuable.

D．To land good jobs in old life.