用恰当的单词填空完成表格。
College students volunteer in the US
In ____
They ____books to the sick people or listen to their problems.
In old people's homes
They help to clean up or go ____.
In the ____clubs
They remember the problems of boys and girls
平常的物体不带电的原因是( )
____ ,是北方地区中北部的三个省。那里蕴藏着丰富的____ 、____ 、____ 和____ 等资源,其中以广袤的____ 资源最为珍贵。
下面哪个点在函数y=12x+1的图象上( )