海水中某些单细胞生物大量繁殖可造成____，危害渔业．
材料一：大道之行也，天下为公，选贤与能，讲信修睦。故人不独亲其亲，不独子其子。使老有所终，壮有所用，幼有所长，鳏寡孤独废疾者皆有所养。是故谋闭而不兴，盗窃乱贼而不作，故外户而不闭，是谓大同。-----《礼记》
材料二：今大道既隐，天下为家。各亲其亲，各子其子，货力为己。大人世及以为礼，成果沟池以为固．．．．．．故谋用是作，而兵由此起。禹、汤、文、武、成王、周公，由此其选也。．．．．．．是谓小康。-----《礼记》
请回答：
doctor , like, teacher, of, tree, same, name, be, job.
Hello, my____ is Li Ming. I am 14 years old．I go to Ximen School. This is a photo ____ my family. They____ my parents. He is my father and she is my mother. My father is 40 years old and my mother is 38 years old．My father is a ____in a hospital . My mother is an English____ in my school.My sister is 12 years old .We are in the ____ school .There are two big____ in front of my house. I____ my family.
