请判断下列句子是同位语从句还是定语从句

小题1:We are glad that the news that he told us.

小题2:We are glad at the news that he will come.

小题3:The news that Tom will go abroad next year was told by him.

小题4:The news which made us laugh is true.

小题5:We don’t know the fact which were told by Jim.

小题6:We don’t know the fact that he saved all the people.

如图所示，三个小球A、B、C分别在离地面不同高度处，同时以相同的速度向左水平抛出，小球A落到D 点，DE=EF=FG，不计空气阻力，每隔相等的时间间隔小球依次碰到地面，则关于三小球

A．B、C两球也落在D点

B．B球落在E点，C球落在F点

C．三小球离地面的高度AE：BF：CG=1：3：5

D．三小球离地面的高度AE：BF：CG=1：4：9