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Many animals know their food because they see it．So do humans．When you see an apple or a piece of chocolate，you know these are things __1__ you can eat．You can also choose your food in other ways．You may like it because it smells good or it __2__ good．Different animals choose their food in different __3__．A few animals depend on only one of their ways，__4__ most animals use more．

Although there are many different types of food，some animals __5__ their lives by eating only one type．The panda cats only bamboo．A kind of white butterfly（蝴蝶）will stay on the leaves of a cabbage，even though there are __6__ of other vegetables．However，most animals have more various（各種各樣的）__7__．The bear eats fruits and fish．The fox eats small animals and fruits．The diets of these animals will be __8__ depending on the season．

We often eat food because we __9__ it but not because it is good for us．In France and Britain，people eat food with too much sugar．This makes them fatter，which is _10__ for their health．So choosing the right food has become an area of study in modern life．

1．A．what                     B．that                     C．who                             D．how

2．A．sounds                  B．feels                    C．tastes                     D．gets

3．A．minds                    B．ways                   C．interests                 D．hearts

4．A．when                    B．because               C．If                          D．but

5．A．find                       B．save                    C．spend                  D．waste

6．A．much                    B．lot                       C．plenty                    D．type

7．A．risks                     B．diets（飲食）        C．features                 D．lives

8．A．main                      B．different               C．delicious                D．same

9．A．dislike                   B．suit                      C．make                     D．like

10．A．important              B．good                    C．gentle                    D．bad