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.

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.

【小题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

【小题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.

【小题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.