根据下列短文，写出与各小题所给汉语相对应的英语单词（每空一词）。

Animals play so many important roles in our lives. Some, like cows and sheep, provide us with food; pets are our friends; other animals work for us. Above all, every animal—big or s【小题1】 can fill us with a sense of the wonder of the natural world.

U【小题2】, we don’t always value this. Many animals are endangered b【小题3】 of our actions, and millions of animals in the world are badly treated.

World Animal Day was started in 1931 in Florence, Italy. It made us p【小题4】 attention to the problem of endangered animals around the world. It is now celebrated in most countries around the world. The day falls on O【小题5】 4th every year.