It's a good idea for children to learn only one language

The experts think that it is a good idea for said that learning two foreign languages de children's mind and increases their knowledge of other cultures.

The experts also believe that the two forgein languages that children learn should be completely different from one another,for example English and Chinese,or French and Japanese.In addition,they said that children should start to learn a foreign languages as soon as possible, from the age of about six.
1. It's a good idea for children to learn only one language.
2. Learning two foreign fanguages can increase children's knowiedge of other cultures.
3. Children should learm owo languages that are different from each other.
4. It's not good for children to learn a foreign language at an early age.
5. The main idea of unis paragraph:
A. the learning foreign language
B. the learning foreign language of children
C. the difficulty in learning foreign language
D. Children study foreign language easily.
6. The best age to study foreign language is:
A. just born B. about 6 Cin primary D. B and C are right