题目

能源、环境与人类的生活和社会发展密切相关． （1） 天然气燃烧的化学方程式为； （2） 液氨有望成为新一代绿色能源．氨气在纯氧中燃烧生成空气中含量最多的气体和一种氧化物，且释放大量热量．该反应的化学方程式． （3） 为节约能源，使燃料充分燃烧，应考虑的因素是（写出一条即可）．K Read and choose （阅读短文，选择正确的答案）10%It is Friday evening. Su Hai,Su Yang and their parents are at their grandparents’ home. All of them are sitting around the table in the yard (P完子) . There are some moon cakes and fruit on the table. Su Hai and Su Yang are eating the moon cakes. Su Hai likes moon cakes with fruit. Su Yang likes moon cakes with nuts (US) . Their parents are eating the fruit. Grandma is telling a story about the moon. They are all listening to her. What a nice evening!() 1 It is the evening of the .   A Spring Festival B Double Ninth Festival C Mid-Autumn Festival () 2 Where are Su Hai and Su Yang?    A They are at home.B They are at their grandparents' home.C They are at school.() 3 What moon cakes does Su Yang like?    A Moon cakes with meat. B Moon cakes with nuts.C Moon cakes with fruit.() 4 What are Su Hai and Su Yang's parents doing?    A They are eating the fruit.B They are eating the moon cakes.C They are telling a story.() 5 They have a good time.   A in the living room B on the sofaC in the yard