Everyone knows that fish is good for health． The fats in fish    1    （ think） to help prevent heart disease，     2    it seems that many people don't cook fish at home． In fact， we eat twice as much fish in restaurants    3    at home． Buying， storing， and cooking fish isn't difficult． It just requires a little knowledge． This text is about how to buy and cook fish in an easy way．

When    4    （ buy） fish， you should first smell it． Fresh fish should smell sweet； you should feel that you're standing    5    the ocean's edge． Any fishy or strong smell means the fish isn't fresh． Do not buy it． When you have bought a fish and arrive home， you'd better store the fish in the refrigerator if you don't cook it    6    （ immediate）， but fresh fish should be stored in your fridge for only a day or two．    7    （ freeze） fish isn't as tasty as the fresh one．

There are many common methods used to cook fish． The    8    （ easy） is to steam it． First， clean it and season it with your choice of spices （调料）． Put the whole fish on a plate and steam it in a steam pot for 8 to 10 minutes if its    9    （ weigh） is about one pound．（ A larger one will take more time．） Then，    10    is ready to serve．