根据句意和汉语提示写出单词完成句子 （5分）

小题1:He is not tall -- _________ (几乎) 1.70 metres.

小题2:Many __________（外国的）friends come to my home town every year.

小题3:The boys and the girls are _____________ (喝彩) for their football team.

小题4:I am interested in IT. I plan to take a           (课程) in it.

小题5:My father was unhappy because I made the same            (错误) again.

滑动式拉线机的线材拉伸速度小于鼓轮圆周线速度。