题目内容：

语法填空

Everyone knows that fish is good for health． The fats in fish1.（ 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 restaurants3.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．

When4.（ buy） fish， you should first smell it． Fresh fish should smell sweet； you should feel that you're standing5.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 it6.（ 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． The8.（ 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 its9.（ weigh） is about one pound．（ A larger one will take more time．） Then，10.is ready to serve．