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The ocean gives us a home to live in. It covers (覆盖) most of the _______ surface (表面). But some people don’t _______ the ocean. Their activities are putting the ocean in danger. What can you do to _______ the ocean? Here are some tips.

1. Be careful with plastic

Throw away _______ the right way. You should use paper bags and say _______ to plastic bags. They become small pieces (块) of plastic in the ocean.

2. Clean up the beach (海滩)

People like going to the beach. It is _______. But don’t leave _______ on the beach. Picking up a little bit of rubbish can keep the beach clean.

3. _______ labels (标签)

When you are buying seafood, look for seafood with a _______ label. People often think it is the colour of the ocean. This label means when people make the food, they don’t catch _______ sea animals.