两位农民向农业专家打听棉花价格行情,农业专家把国际国内棉花供大于求的信息告诉了他们,并分析棉花收购价格会比上年略有下降。下面是两位农民听后的反应和认识:
农民甲(一脸平静):农产品价格涨跌与其市场销售以及质量状况有直接关系,棉花收购价格下降是正常的。
农民乙(一脸惆怅):我们不该投资上千元,一下子扩种了10亩棉花,比去年多种了一倍,总以为去年棉花赚了钱今年还能赚,明年干脆不种棉花,全部改种西瓜、蔬菜得了。
Nick is my good friend from England. Now let me tell you something(一些事情)about him.
Nick is a student and he is thirteen years old.His family are in Beijing now.His father,Mr Brown,is a manager in a hotel. His mother,Mrs Brown, is an English teachers at his school. Nick has a sister. Her name is Kate. Now they study in the same school.Look!This is a picture of their school. It is very big. There is a tall building with 23 classrooms in the middle of the school.The library is behind the tall building. The sports hall is next to the library. A playground is in front of the sports hall. It's big too. Nick and Kate like their school in Beijing very much.
嘟嘟喝一杯牛奶。第一次喝了牛奶的 12 ，然后加满水，第二次喝了 14，再加满水，第3次喝了一杯的 16 ，又加满水，第4次喝完。嘟嘟喝牛奶多不是喝水多？
制作米酒（酒酿）过程中，酵母菌将糖类转化为（ ）
