英语脑筋急转弯

When will water stop running downhill?

You use a knife to slice my head and weep beside me when I am dead.

Until I am measured I am not known, Yet how you miss me when I have flown.  What Am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's?

Five apples are in a basket. How do you divide them among five girls so that each girl gets an apple, but one apple remains in the basket?

I'm white, and used for cutting and grinding. When I'm damaged, humans usually remove me or fill me.

A man was found dead next to a 13 story building. The police say it was a suicide, but you say it was a homicide (someone killed him).

What travels around the world but stays in one spot?

When can you add two to eleven and get one as the correct answer?

What 5 letter word typed in all capital letters can be read the same upside down?