题目内容：

    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 yolk has most of the egg's vitamins and minerals. The yolk can be pale yellow to dark orange. The color depends on what the hen eats.		The shell protects the egg.Shells can be brown or white.
The egg white is mostly water, protein and some minerals. Before it is cooked, the white is not white; it is clear.

 

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.What’s the main idea of Paragraph 1?

A.The use of eggs. B.The birth of chickens.

C.The difference between them. D.The way of keeping them.

2.What makes a yolk dark orange?

A.The color of the shell. B.The hen’s food.

C.The age of the egg. D.The vitamins in the egg.

3.What color is the egg white before it is cooked?

A.White. B.Clear. C.Yellow. D.Brown.

4.What does the table (表格) 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.

5.How long can you keep the eggs in your fridge?

A.3-6 days. B.Just over 1 week. C.About 2 weeks. D.About four weeks.