小题1:You eat too much junk food. Why not eat some healthy food i__________?

小题2:He gets a_________ when someone talks to him while he’s reading.

小题3:My classmate has been s__________ on the ice for the whole five hours.

小题4:I hope that there will be more trees and less p__________ in our city.

小题5:It was raining when the plane l__________ in London.

海口体育馆每年冬季都主办羊毛衫展销，在挑选羊毛衫时怎样用简便的方法区别出真羊毛衫和人造羊毛衫呢？