这个斜坡的倾斜角度大约是7.5度。

The slope has an angle of about ___seven-point-five degrees.

昨晚发生了一次7.5级地震，震中位于山区。

A ___seven-point-five earthquake struck the mountainous region last night.

这次考试他得了七点五分。

He scored ___seven point five on this exam.