某小组将调查到的生物进行了分类，他们将鲫鱼、水草、水鸭、蟹等归为一类，而将松、蝇、玫瑰、麻雀等归为一类。他们是按照什么归类的：（     ）

家在新疆的小明同学今年暑假打算去看大海 。他应该选择区以下哪个省区 （  ）

根据短文内容判断正误，正确的写正确，错误的写错误。

                                                                                                (C)

    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 hundred 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.

过年了小亮同学想酿制甜酒，他将要利用下列哪种微生物（　　）