Silk is not only popular in China, but also gets a name in the rest of the world. Silkworms create silk which is used for clothes. Over 5000 years ago, Chinese people found the secret of silkworms. Silkworm raising and farming were two most important things in ancient Chinese life.
Now let's see the amazing life of silkworms There are four stages in a silkworm's life circle.
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（1）
How long does it take the larvae to make cocoons?
A . Two days.
B . Five days.
C . Fourteen days.
D . Twenty days.
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（2）
We can know ____ from the text.
A . how people make silk clothes
B . how many eggs an adult moth has
C . what kind of food the larvae like to eat
D . how long it takes the pupa to turn into a moth
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（3）
Which part of a magazine is the text probably taken from?
A . Fashion.
B . Nature.
C . Health.
D . Business.
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