People all over the world eat eggs． Most of the eggs we eat come from hens． Eggs are easy to cook． They can be cooked in lots of ways such as fried or hard﹣boiled． Eggs can be used with other things to make cakes and ice﹣cream．

The fresh test Put your egg in a pan of water and use the guide below to find out how old your egg is．

What happens to the egg                                   Age of the egg

Sinks（下沉）to the bottom of the pan and stays there          3﹣6 days old Sinks， but floats at an angle（角度）Just over 1 week old Sinks， and then stands on end                            About 2 weeks old Floats on top or just under the surface                      Over 2 weeks old Eggs last a long time． You can keep them for about four weeks in your fridge．

（1）According to Paragraph 1， cakes and ice﹣cream are mentioned to describe　　．

A． the birth of chickens

B． the difference between them

C． the use of eggs

D． the way of keeping them

（2）What makes a yolk dark orange？　　

A． The hen's food．

B． The colour of the shell．

C． The age of the egg．

D． The vitamins in the egg．

（3）What does the table above show？　　

A． How heavy an egg can be．

B． How long to cook an egg in a pan．

C． How to make an egg sink．

D． How to check the age of an egg．