1. (2019·苏州) 阅读理解

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

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

   A . the birth of chickens B . the difference between them C . the use of eggs D . the way of keeping them
3. （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.
5. （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.