If you do not live by the sea，you may not think a lot about oceans during your （1）

daily

daily

/'de?li/ life.But World Oceans Day，which falls on June 8 every year，is a good time to think about （2）

how

how

amazing and important oceans are.
   The world's oceans cover nearly three （3）

fourths

fourths

（four） of the Earth's surface.They are a great source of food for people around the world.Many people make a living by （4）

catching

catching

（catch） fish.There are also a lot of people who sell or cook seafood to support （5）

their

their

（they） life.
   The ocean is necessary for the health of our planet.Oceans absorb（吸收） much of the heat that reaches the earth from the sun.This makes the （6）

temperature

temperature

/'tempr?t??（r）/ on the earth not too high.
   Over half the oxygen that animals breathe （7）

comes

comes

（come） from small oceanic plants called phytoplankton.These plants also absorb large amounts of CO₂.They are also a key source of food-for a lot of sea animals.
   Today，many dangers threaten （威脅） the health of oceans.Plastic pollution is one （8）

of

of

the problems.Many plastic products that people throw away often reach the ocean.Many animals mistake plastic waste for their （9）

food

food

and eat it.This can cause death of these animals.
   But it doesn't have to be this way，does it？Thus，we hope you can spend some time thinking about what you can do to（10）

protect

protect

/pr?'tekt/ oceans on this special day，and you may find you can do your part.