如图所示的四种现象中，其物态变化属于液化的是（　　）

①中小企业是中国数量最大，代表社会主义经济的活力群体

②中小企业是市场的主力军，能保证社会主义市场经济的方向

③发展中小企业可以促进经济增长，推动创新

④中小企业是缓解就业压力，保持社会稳定的基础力量

某宗教学者若要实地考察被犹太教、基督教和伊斯兰教都奉为圣地的西域名城，他应该去的地方是(      )

   American school life is different from (和……不同) Chinese. American students usually get to school at around 8:30 in the morning. They put their school bags in their lockers (柜子) and only take one book, one notebook and one pen to each class. In class, American students can sit in their seats (座位) when (当……时候) they answer their teachers questions
   At around 12:00 students have lunch. American students don’t go home for lunch. They have it at school. Most students like pizza(比萨), hot dogs or hamburgers. At 1:00 in the afternoon, they start to have classes. Their classes are usually over(结束) at three o’clock. Then they join in the activities （活动）of clubs or sports.