题目内容：

The best-known (最熟知的) vegetable in the world is the potato. It grows in many places and does not need rich soil(土壤) like many other crops.But until four hundreds years ago,the Europeans(欧洲人) began to know the potato . But today it’s one of the main foods in Europe(欧洲) .About half of the world’s potatoes are grown in Europe.

In France the potato was not grown for a long time .Here is story about Louis .In 1778 he saw some potato  flowers for the first time .He liked them so much that he picked one and put it in his buttonhole. He was interested in the flowers not the potatoes themselves.

根据短文内容判断正误，正确的写（A），错误的写（B）

1.Potatoes are the best-known vegetable in the world according to the passage.

2.The potatoes do not need rich soil.

3.Louis was the first man to eat the potato .

4.At first the Europeans grew potatoes to eat.

5.Louis liked the potato flowers better than the potatoes.